I bought a dress for only 10 dollars in a sale; it was a real.A. exchange B. bargain C. tr

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：bargain廉价货。