—Have you ever visited the Water Cube? —Yes. When I served as a volunteer in Beijing, I ____ it twice.
发布时间:2021-06-23
A.have visited
B.visited
C.had visited
D.had been visiting
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- 1All school buses in the northwestern provinces ______ with satellite positioning devices next year.
A.fitted
B.will be fitted
C.have been fitted
D.are fitted
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A.are taken
B.were taken
C.will be taken
D.have been taken
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A.work
B.working
C.is working
D.are working
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A.learned
B.have learned
C.had learned
D.would have learned
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A.will be held
B.would be holding
C.would be held
D.was holding
开始考试点击查看答案 - 6In the near future, more advances in the robot technology _________by scientists .
A.are making
B.are made
C.will make
D.will be made
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A.would serve
B.has served
C.is serving
D.served
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A.was reading
B.has read
C.read
D.had read
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A.have
B.had
C.were having
D.have had
开始考试点击查看答案 - 10The volleyball match will be put off if it _____.
A.will rain
B.rains
C.rained
D.is rained
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