They have clothes A. at good priceB. at a good priceC. in good priceD. in a good price

问题补充：

They have clothes

A. at good price

B. at a good price

C. in good price

D. in a good price

答案：

A. at good price

(答案→)B. at a good price

C. in good price

D. in a good price

解析：at表示在一点；in表示在一个范围。句意：他们有一种价格不错的衣服。本句中价格是可数名词，意思是一种价格，价格是数目上的一点，用介词at，故选B。