That store is _sale. They sell clothes _very good prices.A. on atB. at inC. of underD.

问题补充：

That store is _sale. They sell clothes _very good prices.

A. on, at

B. at, in

C. of, under

D. for,to

答案：

(答案→)A. on, at

B. at, in

C. of, under

D. for,to

解析：

试题分析: 句意：那个商店正在打折，他们卖的衣服价钱合适。on sale打折，价钱price用at,故选A.