This is one of the longest bridges that ______ on this river.

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问题 This is one of the longest bridges that ______ on this river.

选项 A、is ever built
B、has ever been built
C、was ever built
D、has ever built

答案B

解析本题测试的是动词时态和语态的用法。主句是一般现在时而且包含形容词的最高级，故其从句应选现在完成时。

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大学英语三级B级

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