题目内容
-The light in the lab 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
练习册系列答案
相关题目
题目内容
-The light in the lab is still on.
-Oh, I forgot ________.
A.turning it off
B.turn it off
C.to turn it off
D.having turned it off