—I am really struck by your spoken English. You speak so fluently. Have you been abroad.
—Yes, I in London for two years．
A. have stayed
B. stayed
C. had stayed
D. have been staying
网友回答
A. have stayed
(答案→)B. stayed
C. had stayed
D. have been staying
解析：考查时态。考生看到for two years，容易误选A。但句子中并没有说什么时候回来的，所以不能选用完成时。句意：“我在伦敦呆了两年。”根据语境说明stay的动作发生在过去，所以用过去时，延续性动词的过去时可以与时间段连用，因此选择B。