The last time we had great fun was we were visiting the Water Park. A. whereB. how C. whe

问题补充：

The last time we had great fun was we were visiting the Water Park.

A. where

B. how

C. when

D. why

答案：

A. where

B. how

(答案→)C. when

D. why

解析：考查表语从句的连接词。根据句意可知C正确。句意：上次我们玩的开心是在我们去水上乐园的时候。