Don’t discuss the assignment with your classmates unless you ( )to do so.
A. ask
B. are asked
C. will ask
D. will be asked
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Chengdu is really a modern city now! Many skyscrapers( )everywhere.
A. can be seen
B. can see
C. can’t see
D. seen
Today computers( )in both urban areas and rural areas.
A. were using
B. are used
C. were used
D. are using
- Who closed the door? -Nobody. It( )
A. was closed by itself
B. had closed itself
C. was closed itself
D. closed itself
Mary isn’t here at the moment. She( )later.
A. comes
B. came
C. has come
D. is coming
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