I remember _the letter for you several days ago A having posted B posting C to post D to have poste
问题描述：
I remember _the letter for you several days ago A having posted B posting C to post D to have poste
答
这题考的是remember后面接两种形式的区别remember to do something,记得要做某事remember doing something,记得已做了某事因此,此题选B 其实A应该也对,但B会更普遍一些remember doing sth 和 remember having done s...