问题
选择题
My brother often forgets _________ the windows, but he remembered __________ them when he left yesterday.
A．closing, close
B．to close, close
C．closing, to close
D．to close, closing
答案
答案：D
题目分析：句意：我的弟弟经常忘记关窗户，但是昨天当他离开的时候他记着已经关上窗户了，forget to do 记着去做某件事还没有做，forget doing记着已经做过某事。根据题意故选D。