(文末附答案)高中英语过去完成时知识点归纳超级精简版
单选题(经典例题高频考点-名师出品必属精品)
1、When students learned on Wednesday that only one of the 13 workers having been trapped underground _____, they burst i
nto tears.
A．survives
B．had survived
C．has survived
D．has been surviving
2、Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
A．had left
B．would leave
C．was leaving
D．has left
3、—It is said that John’s paper got an A
．—He deserves it. He
_________ a lot before he handed it in.
A．p ...