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It is required that no smoking in the school.A.was allowedB.be allowedC.would be

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It is required that no smoking in the school.A.was allowedB.be allowedC.would be

It is required that no smoking ______ in the school.

A.was allowed

B.be allowed

C.would be allowed

D.had been allowed

试题答案

B

考查虚拟语气中的(should) + v 的形式。