Question

【题目】Our teacher ____ in our school for 20 years and he ____ here when he was 25 years old.

A. taught, comes B. taught, came

C. has taught, came D. has taught, has come

Answer 1

【答案】C

【解析】

试题分析：句意：我们的老师在我们学校已经教学有20年的时间了，当他25岁的时候他就来这了。第一个空是现在完成时，其结构是have done的形式第二个空是when引导的时间状语从句，时态保持一致，用一般过去时态。根据题意，故选C。