My granfpa always forgets __the door but he always says that he remembers__it.A to lock ; to lockB to lock ; lockingC locking ; locking D locking ; to lock
问题描述：
My granfpa always forgets __the door but he always says that he remembers__it.
A to lock ; to lock
B to lock ; locking
C locking ; locking
D locking ; to lock
答
A
forget doing sth. 忘记做过了某事
forget to do sth. 忘了要做某事
remeber to do 记得要去做
remeber doing sth记得做过了某事
答
B
答
B
forget to do sth. 忘记要做某事（没做）
forget doing sth. 忘记做过某事（已做）
remember to do sth 记得要做某事（没做）
remember doing sth. 记得做过某事（已做）
答
B forget to do 忘记要去做某事
remember doing 记得做过某事