问题补充:
I haven’t seen Tom for several months. The last time I saw him, he to find a job in London..
A. has tried
B. is trying
C. tries
D. was trying
答案:
A. has tried
B. is trying
C. tries
(答案→)D. was trying
解析:考查时态。根据句意:上次我看到他的时候,他正在伦敦找工作,可知用过去进行时,选D。