----I'vespentthewholeafternoonreadingbooks.---Ithinkyo...

问题详情：

 ---- I've spent the whole afternoon reading books.

-- -I think you'd better go out and get some _______ air.

A bad         B. thick          C. fresh

【回答】

C 

知识点：相似 相近词比较

题型：选择题