[
    {
        "content": "At this time last year, I _______(attend) an  English course.",
        "answers": [
            {
                "content": "attend",
                "is_correct": false
            },
            {
                "content": "was attending",
                "is_correct": true
            },
            {
                "content": "attended",
                "is_correct": false
            },
            {
                "content": "will attend",
                "is_correct": false
            }
        ]
    },
    {
        "content": "She _______ tennis at 4p.m yesterday.",
        "answers": [
            {
                "content": "plays",
                "is_correct": false
            },
            {
                "content": "has been playing",
                "is_correct": false
            },
            {
                "content": "played",
                "is_correct": false
            },
            {
                "content": "was playing",
                "is_correct": true
            }
        ]
    },
    {
        "content": "What________ (you/do) at 8 p.m yesterday?",
        "answers": [
            {
                "content": "did you do",
                "is_correct": false
            },
            {
                "content": "were you doing",
                "is_correct": true
            },
            {
                "content": "do you do",
                "is_correct": false
            },
            {
                "content": "have you done",
                "is_correct": false
            }
        ]
    },
    {
        "content": "While my father ________(read) books, my brother ________(listen) to music.",
        "answers": [
            {
                "content": "was reading/ was listening",
                "is_correct": true
            },
            {
                "content": "was reading/listened",
                "is_correct": false
            },
            {
                "content": "read/listened",
                "is_correct": false
            },
            {
                "content": "read/was listening",
                "is_correct": false
            }
        ]
    },
    {
        "content": "At this time last year, my sister ______ a new car.",
        "answers": [
            {
                "content": "would buy",
                "is_correct": false
            },
            {
                "content": "was buying",
                "is_correct": true
            },
            {
                "content": "bought",
                "is_correct": false
            },
            {
                "content": "had bought",
                "is_correct": false
            }
        ]
    },
    {
        "content": "When his wife  ________(arrive) at this house, he still ________(sleep).",
        "answers": [
            {
                "content": "was arriving/still slept",
                "is_correct": false
            },
            {
                "content": "was arriving/was sleeping",
                "is_correct": false
            },
            {
                "content": "arrived/ was still sleeping",
                "is_correct": true
            },
            {
                "content": "arrived/still slept",
                "is_correct": false
            }
        ]
    },
    {
        "content": "He _________ in the garden when I came.",
        "answers": [
            {
                "content": "wasn’t working",
                "is_correct": true
            },
            {
                "content": "didn’t work",
                "is_correct": false
            },
            {
                "content": "wasn’t work",
                "is_correct": false
            },
            {
                "content": "didn’t be working",
                "is_correct": false
            }
        ]
    },
    {
        "content": "When we _______(cross) the street, we saw an accident.",
        "answers": [
            {
                "content": "have been crossing",
                "is_correct": false
            },
            {
                "content": "had been crossing",
                "is_correct": false
            },
            {
                "content": "were crossing",
                "is_correct": true
            },
            {
                "content": "crossed",
                "is_correct": false
            }
        ]
    },
    {
        "content": "While he was doing homework, his sister _______(learn) English.",
        "answers": [
            {
                "content": "didn’t learned",
                "is_correct": false
            },
            {
                "content": "was being learned",
                "is_correct": false
            },
            {
                "content": "learned",
                "is_correct": false
            },
            {
                "content": "was learning",
                "is_correct": true
            }
        ]
    },
    {
        "content": "Faker suddenly _______(sit) down on the chair when I ________(paint) it.",
        "answers": [
            {
                "content": "sat/was painting",
                "is_correct": true
            },
            {
                "content": "was sitting/ painted",
                "is_correct": false
            },
            {
                "content": "sat/painted",
                "is_correct": false
            },
            {
                "content": "was sitting/was painting",
                "is_correct": false
            }
        ]
    },
    {
        "content": "He _________ at college at that time last year.",
        "answers": [
            {
                "content": "was being working",
                "is_correct": false
            },
            {
                "content": "worked",
                "is_correct": false
            },
            {
                "content": "was working",
                "is_correct": true
            },
            {
                "content": "has worked",
                "is_correct": false
            }
        ]
    },
    {
        "content": "Marry ____________(wait) in the lobby, wasn’t she?",
        "answers": [
            {
                "content": "was waited",
                "is_correct": false
            },
            {
                "content": "waited",
                "is_correct": false
            },
            {
                "content": "was waiting",
                "is_correct": true
            },
            {
                "content": "wasn’t waiting",
                "is_correct": false
            }
        ]
    },
    {
        "content": "It _________(snow) when I got up this morning.",
        "answers": [
            {
                "content": "snowed",
                "is_correct": false
            },
            {
                "content": "was snowing",
                "is_correct": true
            },
            {
                "content": "has been snowing",
                "is_correct": false
            },
            {
                "content": "snows",
                "is_correct": false
            }
        ]
    },
    {
        "content": "The car _________(not/stop) as we ____________(cross) the road.",
        "answers": [
            {
                "content": "wasn’t stopping/crossed",
                "is_correct": false
            },
            {
                "content": "wasn’t stopping/were crossing",
                "is_correct": false
            },
            {
                "content": "didn’t stop/crossed",
                "is_correct": false
            },
            {
                "content": "didn’t stop/ were crossing",
                "is_correct": true
            }
        ]
    },
    {
        "content": "What __________(you/do) when it __________(rain)all day before?",
        "answers": [
            {
                "content": "were you doing/ rained",
                "is_correct": true
            },
            {
                "content": "were you doing/ was raining",
                "is_correct": false
            },
            {
                "content": "did you do/was raining",
                "is_correct": false
            },
            {
                "content": "did you do/ had been",
                "is_correct": false
            }
        ]
    }
]