I bought a dress for only 10 dollars in a sale; it was a real .A. exchangeB. bargainC. tra

问题补充：

I bought a dress for only 10 dollars in a sale; it was a real .

A. exchange

B. bargain

C. trade

D. business

答案：

A. exchange

(答案→)B. bargain

C. trade

D. business

解析：句意：我只花了10美元就买了一套裙子，真划算。exchange 互换；bargain便宜货，廉价货；trade贸易；business生意。结合考题前面给出的信息“只花了10美元”，言外之意花钱不多，所以本题选择B项。 此题考查名词词义辨析。注意关键词for only 10 dollars。