贵州电大2018年秋季学期英语I(2)英语I(2)03任务（含答案）

奥鹏作业答案

2018年秋季学期英语I(2)英语I(2)03任务
一、单选题:【5道,总分:0分】
电大作业答案
贵州电大作业

1.[单选题]Small sailboats can easily turn over in the water ____ they are not managed carefully.          (满分:)
    A.though
    B.before
    C.until
    D.if
    正确答案:——D——
2.[单选题]According to the art dealer, the painting ______ to go for at least a million dollars.          (满分:)
    A.is expected
    B.expects
    C.expected
    D.is expecting
    正确答案:——A——
3.[单选题]In time of serious accidents, ____ we know some basic things about first aid, we can save lives.          (满分:)
    A.whether
    B.until
    C.if
    D.unless
    正确答案:——C——
4.[单选题]Harry has been reading all day —he ______ be tired          (满分:)
    A.should
    B.has got to
    C.has to
    D.must
    正确答案:————
5.[单选题]Our room must ___ clean.          (满分:)
    A.keep
    B.be kept
    C.to be kept
    D.to keep
    正确答案:————
电大作业答案
贵州电大作业