. He wanted to make sure .
A. how we went there by bus
B. where did we go
C. what did we go there
D. when we went there
网友回答
A. how we went there by bus
B. where did we go
C. what did we go there
(答案→)D. when we went there
解析：考查宾语从句。英语宾语从句中一般为陈述语序。可排除选项BC，选项A疑问词how和by bus相互冲突，故选D。他想证实我们什么时候去那儿。