题目内容
-The light in the office is still on.
-Oh, I forgot ________.
[ ]
A.
turning it off
B.
turn it off
C.
to turn it off
D.
having turned it off
答案:C
解析:
解析:
|
forget to do sth.表示“忘了做某事”,forget doing sth.表示“做过了某事,忘了”。本句中因为灯还亮着,所以是“忘了关灯”。 |
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