---Listen! Someone is knocking at the door. Who _____it be?---It _____be Tom. He phoned to visit me this evening.
#76797
A
may; may
B
may; shouldn’t
C
must; can
D
can; may
推荐题目
The doctors are doing all that they _____, but the old man is still not breathing properly.
#62988
A
shall
B
need
C
may
D
can
You _______be hungry already—you had lunch only two hours ago.
#63104
A
can”t
B
wouldn”t
C
mustn’t
D
needn”t
---I think Miss Lin must be in the library. She said she would go there.---No, she __________be there. I have just been there.
#76652
A
can’t
B
mustn’t
C
needn’t
D
wouldn’t
I ________ hear the news very clearly since the noise outside is so loud.
#74156
A
mustn’t
B
can’t
C
needn’t
D
may not