Before you pay a visit to a place of interest look in your local librarya book about it.A

问题补充：

Before you pay a visit to a place of interest, look in your local librarya book about it.

A. on

B. at

C. for

D. to

答案：

A. on

B. at

(答案→)C. for

D. to

解析：on在上面, 通过某种媒介;at在一点;for为了;to到, 向. 句意:在你去一个有趣的地方游玩之前, 去你们当地的图书馆找一本关于它的书看看. 本句中需注意in your local library是插入语, 作地点状语, 故选C, look for寻找.

【考点定位】介词辨析.