每天练习 英语练习

Mary _________ my letter; otherwise she would have replied before now.

A. has received 　　　          　  B. ought to have received
C. couldn’t have received 　　　　  D. should have received



昨日习题答案：

Our team ________ every match so far this year, but we still have three more games to play.
A. was winning 　　　　  B. has won
C. had won     　　　　  D. wins

标准答案是：B.

本题分析：现在进行时。 由时间状语so far this year(今年到目前为止）决定。