问题补充:
My cousin went to Canada two yours ago. He there for a few months and then went to America.
A. worked
B. would work
C. would be working
D. has been working
答案:
(答案→)A. worked
B. would work
C. would be working
D. has been working
解析:句意:我的表弟两年前去了加拿大,他在那里工作了几个月,然后又去了美国。这里在加拿大工作发生在过去,并且现在已经不在加拿大了,故排除BCD,应该用过去式,故选A。