字典翻译 问答 小学 英语 【Afterhavingcheckedallthewindowsanddoorswereclosedand________allthelightswereturnedoff,theteacherlefttheClassroom.()A.whatB.thatC.howD.why】
问题标题:
【Afterhavingcheckedallthewindowsanddoorswereclosedand________allthelightswereturnedoff,theteacherlefttheClassroom.()A.whatB.thatC.howD.why】
问题描述:

Afterhavingcheckedallthewindowsanddoorswereclosedand________allthelights

wereturnedoff,theteacherlefttheClassroom.()

A.what

B.that

C.how

D.why

刘喜作回答:
  答案:B    题干中allthewindowsanddoorswereclosed和allthelightswereturnedoff都充当动词check的宾语;宾语从句中的连词that通常可以省略,但为了避免歧义时,不可省略.故选B.
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