It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62254
A
couldn’t
B
may
C
should
D
needn’t
推荐题目
He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.
#63103
A
should
B
must
C
wouldn’t
D
can’t
---Must I go to the gym three times a week? ---No, you ______. Twice a week is OK.
#63671
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t
This book _______ Lucy’s . Look! Her name is on the book cover（封面）.
#77222
A
must be
B
may be
C
can’t be
D
mustn’t be
―Must I report the situation of the new company to the manager now? ―No, you . You are tired and you can do it after you have a good rest.
#78285
A
mustn’t
B
needn’t
C
shouldn’t
D
can’t
— Shall we meet at the station at 8 a.m.? — In fact we _________. The train _________ until 10 a.m..
#76750
A
mustn’t; doesn’t leave
B
mustn’t; leaves
C
needn’t; won’t leave
D
needn’t; will leave