题目内容
【题目】—The computer is working all the time.
—Sorry. I have forgotten______.
A.turn it off
B.to turn it off
C.turning it off
D.turned it off
【答案】B
【解析】句意:——这台电脑一直在开着。——对不起,我忘记关掉了。forget to do sth忘记做某事(此事没做);turn off关掉,后跟代词作宾语时,代词放在turn和off之间。故选B。
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