Theprojectalongsidewiththeexperimentwehadoncedevotedsom...
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問題詳情:
The project alongside with the experiment we had once devoted so much time ______ perfectly.
A.to work out B.to working out
C.to worked out D.has worked out
【回答】
C
知識點:非謂語動詞
題型:選擇題
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