I usually forget _____ the door,but I remembered _____ it when I left yesterday.

问题描述:

I usually forget _____ the door,but I remembered _____ it when I left yesterday.
A.closing; closing B.to close; to close C.closing; to close D.to close; closing
只需要了解forget和remember的用法即可吗?

forget to do sth忘了应去做某事,forget doing sth忘了已做过某事
remember to do记得去做(这是还没做的意思)
remember doing记得做过(这是已经做了的)
我经常忘记关门,但是昨天我走的时候记得关了