问题补充：
Lawyers often make higher for their work than they should.
A. bills
B. charges
C. prices
D. costs
答案：
A. bills
(答案→)B. charges
C. prices
D. costs
解析： charges make charges for对......收（费） ; 索（价）。charge也可以用作动词, 表示收费, 索价, 如：1） We don charge anything for that. （对此我们不收费。） 2） How much do you charge for a haircut? （理个发要收多少钱？）
