问题

—Don’t forget to post the letter, will you?— I __________ it.[ ]

A: would post
B: had already posted
C: have already posted
D: was posting

正确答案是：

同类题型

Serina has been watching the TV series the whole night.— ________.

I couldn’t get through the door because there was a big box .

With the worldwide oil crisis, the price of oil has been raised ______ 15%

How do you usually find out about new software? — In the magazines like Popular Electronics. That’s _____computer companies usually advertise. [ ]

we lived in the same neighborhood for many years, I had never madehis , let alone known where he worked.