贵州电大2019年秋季学期英语I(2)02任务_2（随机）

在线作业答案

2019年秋季学期英语I(2)02任务
一、单选题:【5道,总分:0分】

电大作业答案
贵州电大作业答案请联系QQ 515224986
1.[单选题]We didn’t go home _____ we finished the work.
    A.since
    B.until
    C.because
    D.while
    正确答案:——B——
2.[单选题]—I have got a headache. —No wonder. You_______ in front of that computer too long.
    A.work
    B.are working
    C.have been working
    D.worked
    正确答案:——C——
3.[单选题]I won’t believe that the five-year-old boy can read five thousand words _____ I have tested him myself.
    A.after
    B.if
    C.when
    D.until
    正确答案:——D——
4.[单选题]—Hi, Tracy，you look pale. —I am tired. I _______the living room all day.
    A.painted
    B.had painted
    C.have been painting
    D.have painted
    正确答案:————
5.[单选题]The boss ordered his employees to have the whole room_____at once to welcome the new general manager.
    A.cleaning up
    B.to clean up
    C.cleaned up
    D.clean up
    正确答案:————

贵州电大作业答案
电大作业答案请联系QQ 515224986