------don't forget_______the window when you leave the house.

问题描述:

------don't forget_______the window when you leave the house.
------sorry,i won't.
A,closing B,close C,to close

选 C
忘记[+to-v][+v-ing][+(that)][+wh-]
I forgot posting the letter.
我忘了信已寄出.
Don't forget to post the letter.
别忘了去寄信.