1.--Must we finish our homework now? --No, you ______. You _______ finish it after school.A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
2.22.In the daytime, when you dive in the sea, you ________A. can see everything green and blueB. can- t be in dangerC. can catch nothingD. can't see anything clearly
3.This is very important. You_____remember to shut down your computer everyevenlng。A. oughtB. needC. mustD. can
4.“Must I finish my homework now?” “No, you() . But you() finish it this evening. ”A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must
第1题:
第2题:
第3题:
A. can’t go
B. can’t have gone
C. didn’t go
第4题:
第5题:
He()to Shanghai for I saw here a minute ago.
A. can't go
B. can't have gone
C. didn't go
第6题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t