You ______ tell Margaret --- I don’t want her to know about this matter .
#87995
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
推荐题目
---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
The thief ________ in from the kitchen window as the door was closed.
#90092
A
may climb
B
must have climbed
C
could have climbed
D
should have climbed
 They ______ so tired if they ______ for a whole day.        
#87216
A
wouldn’t feel, didn’t walk
B
wouldn’t feel, weren’t walking
C
wouldn’t be feeling, weren’t walking
D
wouldn’t be feeling, hadn’t been walking