I the Great Wall when Iin China two years ago. A saw was B have seen was C saw:have been

分类: 作业答案 • 2023-01-21 09:09:05

问题描述：

I __the Great Wall when I__in China two years ago. A saw was B have seen was C saw:have been
D have seenhave been

答

A saw was
when I,因此是过去时而不是完成时.
saw sth.
was in China
A.

I __the Great Wall when I__in China two years ago. A saw was B have seen was C saw:have been