It was Sunday so we decided camping in the mountain.A. goB. to goC. wentD. goes

问题补充：

It was Sunday, so we decided camping in the mountain.

A. go

B. to go

C. went

D. goes

答案：

A. go

(答案→)B. to go

C. went

D. goes

解析：那是个星期天，因此我们决定去在山上野营。go camping去野营;Decide后面接带to的不定式作宾语，表示去做某事。故选B。