A.needn't have done
B.must not have done
C.shouldn' t have done
D.can not have done
[单选题]Text 2D.o you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn’t know for sure? That the evidence was inconclusive, the science uncertain? That the antismoking lobby was out to destroy
[问答题]Do you think we will have good weather?
[问答题]You do not have to understand everything all at once.
[单选题]What do you thinkof his suggestion _____we all attend the meeting?A.whichB.
[单选题]What do you think of his suggestion__________we all attend the meeting?A.wh
[单选题]What do you think of his suggestion_____we all attend the meeting?A.whichB.
[单选题]We should be ableto do the job for you quickly, _____you give us all the ne
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[单选题]-------Do you have enough to ________ all your daily expenses?--------Oh yes, enough and to spare.A. cover B. spend C. fill D. offer