Several traffic accidents have happened ...

Several traffic accidents have happened recently．If drivers are careful enough，most accidents ．

A．can prevent B．can be prevented

C．need prevent D．will prevent

B 【解析】试题分析：句意：最近发生了几起交通事故，如果司机们都很小心的话，大多数事故是可以阻止的。Accidents是prevent这一动作的承受者，该用被动语态。而含有情态动词的被动语态形式是“情态动词+be+实意动词的过去分词”，所以选B。考点：考查含有情态动词的被动语态。

考点分析：

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