题目内容
It ______ three years since I left England.
| A.has been | B.was | C.had been | D.will be |
A
It is /has been…since…did…(时间状语从句) 意思为:自从…以来已有…时间了。
练习册系列答案
相关题目
题目内容
| A.has been | B.was | C.had been | D.will be |