Question

【题目】— There is a bridge _____the river. —Be careful when you ______it.

A. across; over B. cross; over C. over; across D. over; cross

Answer 1

【答案】C

【解析】试题分析：句意：这条河有一座桥。你走过时要小心。over表示“越过”某一高度，具有动态之意，over表示在某人或某物的正上方，反义词是under。across是介词，而cross是动词。所以选C。