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
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题目内容
-The light in the office is still on.
-Oh, I forgot ________.
turning it off
turn it off
to turn it off
having turned it off