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 Itwasplayingcomputergames

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問題詳情:

 Itwasplayingcomputergames

 It was playing computer games ______ cost him a lot of time that he should have spent on his work.

A. what                     B. which               C. that                        D. why

【回答】

C

知識點:強調句

題型:選擇題

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