—Has your former classmate come back from America?—Yes he there for 8 years.A. has staye

问题补充：

—Has your former classmate come back from America?

—Yes, he there for 8 years.

A. has stayed

B. stays

C. stayed

D. had stayed

答案：

A. has stayed

B. stays

(答案→)C. stayed

D. had stayed

解析：考查时态：问句中的come 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。