–Look! Someone is cutting a tree on the moon.–It _______ be true, Granny. Our teacher says there is no air there.
#75239
A
can't
B
mustn't
C
may
D
should
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---Do you still remember when we went to Chong qing?----I can’t remember now but_____ sometime last summer?
#62767
A
could it be
B
might it be
C
must it have been
D
could it have been
—What does the sign over there read?—No person smoke or carry a lighted cigarette, cigar or pipe in this area.
#63185
A
will
B
may
C
shall
D
must
(2013·高考重庆卷)—What are you doing this Saturday?—I’m not sure，but I________go to the Rolling Stones concert.
#62471
A
must
B
would
C
should
D
might
— May I smoke here?— No, you ______ . This is a no-smoking room.
#75754
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t