问题
选择题
It is required that no smoking ______ in the school.
A．was allowed
B．be allowed
C．would be allowed
D．had been allowed
答案
答案：B
考查虚拟语气中的(should) + v 的形式。
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It is required that no smoking ______ in the school.
A．was allowed
B．be allowed
C．would be allowed
D．had been allowed
答案：B
考查虚拟语气中的(should) + v 的形式。