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:
|
由the light is still on可知灯亮着,即关灯的动作没有发生,因此用forget to do sth.,而forget doing sth.表示灯已经关上了,而忘记了这一事实。此处不符合题意。 |
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