His brother met him at the Great Theatre yesterday afternoon, so he ____ have attended your lecture. 
#87186
A
couldn’t
B
needn’t
C
mustn’t
D
shouldn’t
推荐题目
Without your help, I ____the exam last term. 
#89943
A
failed in
B
would have failed
C
wouldn’t pass
D
would fail
---I was trying to carry out the plan, but I failed.---Well, you _________, for we were uncertain it would do ________.
#87807
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time
 Terribly sorry, I came home at last. I _____of the supermarket ________so crowded.
#89423
A
should have thought; being
B
should think; being
C
could have thought; was
D
could think; was