贵州电大2018年秋季学期英语I(2)英语I(2)03任务（含答案）
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
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