题目内容

I think students______ to do homework with friends.
A．is allowed B．are allowed
C．should allowedD．should be allowed
D

试题分析：句意：我认为不应该允许孩子们和朋友们一起做作业。结合语境可知从句为虚拟语气，主语是动作对象，故用被动语态。选项B描述的是客观事实，故选D。
点评：此类题型主要是确定句子主语与谓语动词的关系。如果是主动关系则用主动语态，反之如果是动宾关系，则用被动语态。
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