—Is Mr. Green in the office?—No, he ________ be in the office. Look, the light in the office is off.
#78340
A
mustn’t
B
can’t
C
needn’t
D
may not
推荐题目
Two weeks ago, I bought a bicycle. If you live in town, it is often faster than a car and you worry about parking.
#63007
A
must not
B
should not
C
don't have to
D
may not
Sometimes smiles ______ be false, hiding other feelings like anger, fear or worry.
#75492
A
must
B
can
C
should
D
would
(2013·长沙二模)—The research on the new flu virus vaccine is challenging and demanding.Who do you think can do the job?—________ my students have a try?
#62416
A
May
B
Must
C
Will
D
Shall
I _____thank you too much for all your help to my son while we were away from home.
#63300
A
won’t
B
can’t
C
can
D
will
-----Who ______ it be that hasn’t handed it in yesterday? ------It _______ be Bob. He handed it in yesterday.
#63423
A
can; mustn’t
B
must; can
C
can; can’t
D
may; mustn’t
