问题
You seem familiar with Mr. John?—Sure, we ______ together for three years in the 1990s.
A:have worked
B:had worked
C:are working
D:worked
B:had worked
C:are working
D:worked
正确答案是：
同类题型
There isn’t going to be any pollution inthe future, _________
Hi, Bob! Can you tell me ______—Sure. The No.5 buswill take you there.
It is not where you come from or what you are, but the ability to do the jobmatters.
_________the thunderstorm ,they_________ the injuredman in time. They felt sorry for that.