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. 忘记做某事;forget doing sth.忘记干过某事。 |
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