Question

【题目】I often chat with my classmates ____ the Internet in my spare time.

A. on B. throughC. acrossD. by

Answer 1

【答案】A

【解析】本题主要考查介词辨析，on在...上面；through穿过，强调从某一空间的中间穿过；across穿过，强调表面穿过；by通过后跟动词ing形式，在网上用介词on，故选A。