—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
It be difficult to get a train ticket during traditional Chinese Spring Festival this year because there are many ticket windows.
#63379
A
mustn't
B
ought to
C
needn't
D
can't
We'd better wait more minutes. I think Jeff will come soon,
#77624
A
a few
B
few
C
a little
D
little
—_______ you read the words in English? —No, I can’t. They are too difficult for me.
#76415
A
Must
B
May
C
Can
D
Need
— Can you play the guitar?— No. I _ ___ . I can play the violin.
#74834
A
needn't
B
may not
C
can't
D
mustn't