Remember off the light when to bed.
A. turning, going
B. to turn, to go
C. turning, to go
D. to turn, going
网友回答
A. turning, going
B. to turn, to go
C. turning, to go
(答案→)D. to turn, going
解析：一是分清以下两个结构：remember to do sth=记住做某事，remember doing sth=记住曾做过某事；二是注意 when going to bed 相当于 when you go to bed。