—Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
#74311
A
can’t
B
may not
C
mustn’t
D
needn’t
推荐题目
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
---Are you pleased with the result of the math exam? ---Not at all. I can’t have ______ one.
#75040
A
a worse
B
a better
C
the best
D
the worst
The careless man received a ticket for speeding . He ____ have driven so fast .
#62810
A
shouldn’t
B
wouldn’t
C
can’t
D
mustn’t
Jim has a _____. He is going to the USA to visit his sister.
#77041
A
two-months holiday
B
two months’ holidays
C
two-month holiday
D
two months holiday
The manager demanded that the work________ within three days.
#62720
A
was finished
B
had been finished
C
be finished
D
finished