—Where are you going your next vacation?—We decided Europe.A. on forB. to onC. on toD

问题补充：

—Where are you going your next vacation?

—We decided Europe.

A. on, for

B. to, on

C. on, to

D. for, on

答案：

A. on, for

B. to, on

C. on, to

(答案→)D. for, on

解析：go for vacation 为固定词组搭配，表示去某地度假，decide on 表示决定于，故选D