please remember _____ the letter for me .I forget _______ it his morning.
问题描述:
please remember _____ the letter for me .I forget _______ it his morning.
A.to post,to post B.to post ,posting
选哪个?为什么?
答
A
remember to do 表示还没做,记得要去做
remember doing 表示已经做了,记得曾经做过