---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
#75825
A
may; must
B
will; can
C
can; may
D
may; will
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--Mr. Yang looks rather a kind gentleman. ---But in fact he is cold and hard on us. You _____ believe it!
#63449
A
shouldn’t
B
couldn’t
C
wouldn’t
D
needn’t
－_________ we go at 7.30 ? －What about __________ it a little earlier ?
#76034
A
Shall ,making
B
Shall , to make
C
Will , making
D
Shall, make
—Is Jack on duty today? —It_____ be him. It’s his turn tomorrow.
#62168
A
mustn’t
B
won’t
C
can’t
D
needn’t
–Whose shirt is this?--It _______ be Li Lei’s. It is too big for him.
#78243
A
could
B
must
C
can’t
D
might
My sister met him at the Grand Theatre yesterday afternoon，so he ________ your lecture.
#62507
A
couldn't have attended
B
needn't have attended
C
mustn't have attended
D
shouldn't have attended