【題目】-What can I do for you?

-I'd like to __________ this blue shirt for a bigger size.

A. exchange B. become

C. turn D. grow

【答案】A

【解析】句意：——您買什么？——我想把這件藍襯衫換成一件大號的。exchange sth. for sth. 用某物換某物。

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