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  3. Don’t forget ________ the window before leaving the room.A to have closed B to c

Don’t forget ________ the window before leaving the room.A to have closed B to c

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问题 Don’t forget ________ the window before leaving the room.
选项 A to have closed
B to close
C having closed
D closing
答案B
解析考点:非谓语动词。forget+动词不定式表示不要忘记去做某事，而forget+动名词则表示忘记已经做过某事。句意：离开这个房间前，别忘了关窗户。
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