Question

【题目】—Grandma， do you remember Beijing?

—About 20 years ago.

A. when you first visit

B. when you first visited

C. when do you first visit

D. when did you first visit

Answer 1

【答案】B

【解析】句意：——奶奶，你还记得你何时第一次来北京的吗？——大约20年前。考查宾语从句。宾语从句需用陈述句语序，可排除CD两项。根据答语About 20 years ago.，结合句意语境，可知需用一般过去时，故选B。