---who______it be that is knocking at the door? ---It_______be Father, but I’m not sure.
#62245
A
can, must
B
can, may
C
must, can
D
may, must
推荐题目
—Jim，you said you'd lend me your MP5.—I'm sorry I forgot my promise but you ________ have it next Saturday.
#62478
A
must
B
may
C
need
D
shall
According to the rules and regulations, all payments ________ be made in cash in the shopping center.
#62400
A
shall
B
can
C
must
D
should
Tom would rather _________than _________.
#77217
A
stay at home , go out
B
to stay at home , to go out
C
to stay at home , go out
D
stay at home , to go out
Days later, my brother called to say he was all right, but ________ say where he was.
#62801
A
mustn’t
B
shouldn’t
C
wouldn’t
D
mightn’t