—Has your former classmate e back from America?
—Yes, he there for 8 years.
A. has stayed
B. stays
C. stayed
D. had stayed
网友回答
A. has stayed
B. stays
(答案→)C. stayed
D. had stayed
解析：考查时态：问句中的e back from America用了现在完成时，回答是Yes，只能说明live there for 8 years是过去发生的，所以选用一般过去时最佳。
考点:考查时态
点评;时态的考查重点是上下文的语境，分析句子找出动作发生的时间很关键，这题容易错选现在完成时，但是从句意看，以前的同学现在不在美国，说明在美国的时间是过去的。