---Could I go boating this weekend, Dad?---Yes, you ________. But you ________ come back before lunch.
#74541
A
could; must
B
can; must
C
could; should
D
must; should
推荐题目
Look! The light in the room is still on. Mr. Liu at work.
#77067
A
must
B
can’t be
C
must be
D
have to be
–Hi, Tom. Any idea where Jane is? --She _______ in the classroom. I saw her there just now.
#63440
A
shall be
B
should have been
C
must be
D
might have been
She __________ have left school, for her bike is still here.
#63156
A
can’t
B
wouldn’t
C
shouldn’t
D
needn’t
---That black T-shirt with Yao Ming’s picture on it ___belong to David. He admires him a lot. ---No, it _____ be his. He hates black colour.
#76241
A
must, can’t
B
may, can’t
C
can, mustn’t
D
must, mustn’t