Question

【题目】Three bridges __________ over the river five years ago.

A. built B. build

C. were built D. are built

Answer 1

【答案】C

【解析】

试题分析：句意：五年前在河面上建起了三座桥梁。根据时间状语five years ago可知本句用过去时态，主语是动作对象，故用被动语态。选C。