Susan’s parents bought a large house with a swimming pool. It ______be very expensive.
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A
can
B
must
C
mustn’t
D
can’t
推荐题目
The funny story makes  us ________ a lot.
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A
laughing
B
to laugh
C
laughed
D
laugh
Sometimes we have much homework to do, but not often. Anyway, it ______in time.
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A
can finish
B
should finish
C
can be finished
D
should be finished