—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now.
#76568
A
must; can’t
B
must; mustn’t
C
may; shouldn’t
D
may; mustn’t
推荐题目
---Would you come to my birthday party tomorrow evening?---I’m afraid I ______. I have to look after my sister.
#78102
A
wouldn’t
B
can’t
C
won’t
D
mustn’t
----Is that Henry? ----No. He here. He has gone to Australia.
#76397
A
may be
B
mustn’t be
C
can’t be
D
might be
—Jim, ________ you answer the last question? -- Sorry, I can’t. It’s too hard.
#78156
A
need
B
may
C
must
D
can
I______ thank you too much for all your help to my son while we were away from home.
#63489
A
won’t
B
can’t
C
can
D
will
---- Is Ann knocking at the door?--- No, it ______ be Ann. She has gone to Beijing.
#76806
A
can’t
B
mustn’t
C
needn’t
D
may not