When and where to build the new factory ____ yet. [ ]A. is not decided　　B. a

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When and where to build the new factory ____ yet. [ ]
A. is not decided　　
B. are not decided
C. has not decided　　　
D. have not decided

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举一反三

This is one of the most interesting questions that ____ asked. [ ]
A. have　　　　
B. has　　　　　　
C. have been　　　　　
D. has been　　

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Between the two rows of trees ____ the teaching building. [ ]
A. stand　　　
B. stands　　　　
C. standing　　　　　
D. are

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They each ____ a new dictionary. [ ]
A. has　　　　　
B. have　　　　　
C. is　　　　　　　　
D. are

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The singer and the dancer ____ come to the meeting. [ ]
A. has　　　　　
B. have　　　　　
C. are　　　　　　　　
D. is

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E-mail, as well as telephones, _____ an important part in daily communication. [ ]
A. is playing
B. have played
C. are playing
D. play

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