Many of us like playing football our free timethe weekend.A. at atB. at inC. in in D. in

问题补充：

Many of us like playing football our free timethe weekend.

A. at,at

B. at,in

C. in,in

D. in,at

答案：

A. at,at

B. at,in

C. in,in

(答案→)D. in,at

解析：句意：我们很多人都喜欢在周末的业余时间踢足球。in free time:在业余时间，at the weekend：在周末。是固定搭配，故选D。