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—Whyhaven’tyoufinishedyourwork?—Thecomputersystem

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問題詳情:

—Whyhaven’tyoufinishedyourwork?—Thecomputersystem

—Why haven’t you finished your work?

—The computer system ________ suddenly when I was searching for information on the Internet.

e down                              e out          e up                      e in

【回答】

知識點:片語 短語

題型:選擇題