题目内容

20、―What makes her so frightened?

 ―Oh, it is the mouse that she ___ on her bad while looking for her watch.

A.        came about          B. came across            C. came through           D. came up

试题答案

20、 B

解析：come across意思是“偶然遇到、碰上、找到、想到、产生效果”；come about意为“产生、发生”；come through是“（从遭遇困难、危险中）脱险，度过”；come up“长出地面；发生”. 。