题目内容

------Why do you turn back?
------ Oh, the bridge ahead_______.   
A．is being repairedB．is repairingC．is repairedD．is being repairing
A

试题分析:根据句意：你为什么返回来了？噢，前面的桥正在维修中。
很明显是被动形式，又因正在被修，用现在进行时的被动。故选A
点评：本题不难，重在理解被动语态的各种时态的用法。
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