——I am sorry.I forgot to post the letter for you.——Never mind.I it myself this afternoon.A.am posting B.am going to post C.will post D.am about to post
网友回答
Bbe going to do 表示打算做...(带有一定的计划性)
will do 表示会去做...,将去做...(没有打算的意思)
======以下答案可供参考======
供参考答案1:
B供参考答案2:
B.am going to post