It was ordered that no smoking ---------- in the library.

问题描述:

It was ordered that no smoking __________ in the library.
A.was allowed B .be allowed C .would be allowed D.had been allowed
1个回答 分类:英语 2014-10-25

问题解答:

我来补答
B用的虚拟语气嘛 should do 这里should省略了
 
 
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