— What can I do for you sir?— I want .A. a dollar’s worth of candyB. candy a dollar’s wor

问题补充：

— What can I do for you, sir?

— I want .

A. a dollar’s worth of candy

B. candy a dollar’s worth

C. a dollar worth of candy

D. a dollar-worth candy

答案：

(答案→)A. a dollar’s worth of candy

B. candy a dollar’s worth

C. a dollar worth of candy

D. a dollar-worth candy

解析：考查词组：a dollar’s worth of candy中心词是candy，表示： 1美元价值的糖果，句意是：--我能为你做什么？--我想买一美元的糖果。选A。