题目内容
To solve the traffic problem, more and more bridges ____________ across the river every year.
A.were built | B.will build | C.are built | D.are building |
B
试题分析:句意:为了解决交通问题,每年河上建上了越来越多的桥。每年桥是被建造的,所以要用一般现在时态的被动语态。故选B。
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