问题描述：
Please come to the opening ceremony_________ .It will begin at 8:30.
A.in time. B.at the time. C.on time. D.for time
--What's wrong with your watch?
--It____________.
A.is wrong B.isn't work. C.doesn't work D.is not right
A.in time. B.at the time. C.on time. D.for time
--What's wrong with your watch?
--It____________.
A.is wrong B.isn't work. C.doesn't work D.is not right
问题解答：
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