—Is Jack on duty today? —It ______ be him. It is his turn tomorrow.
#76227
A
mustn’t
B
won’t
C
can’t
D
needn’t
推荐题目
—Someone is knocking at the door. Is it Ann?—It _____ be her. She is giving a performance at the theatre now.
#75354
A
may
B
must
C
can’t
D
mustn’t
— What are you going to do this weekend?— I don’t know. I ______ visit a friend.
#63111
A
might
B
can
C
should
D
must
- These apples look very beautiful.- They ________. See the price $ 3.99 a pound. Very expensive, aren’t they?
#62632
A
should
B
would
C
could
D
might
The new shop announced that the first to purchase goods on the opening day get a big prize.
#63343
A
will
B
shall
C
must
D
might
I’m as busy as a bee; ________ you bother me with so many questions now?
#62229
A
can
B
shall
C
must
D
may