Everything comes with price;there is no such thing as free lunch in the world.A. a aB. the

问题补充：

Everything comes with price;there is no such thing as free lunch in the world.

A. a,a

B. the, /

C. the, /

D. a, /

答案：

A. a,a

(答案→)B. the, /

C. the, /

D. a, /

解析：这题考察冠词的用法:第一空填a, 是泛指”一个价格”,第二空不填,no such thing”没有这样的东西”,句意是:什么东西都有价格,世界上没有免费的午餐.选B.