–Thelightintheofficeisstillon.    –Oh,Iforgot

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问题详情:

–Thelightintheofficeisstillon.    –Oh,Iforgot

–The light in the office is still on.     – Oh, I forgot ______.

         A. turning it off   B. turn off       C. to turn it off  D. having turned it off

【回答】

C

知识点:非谓语动词

题型:选择题

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