According to the latest study,most traffic accidents be prevented if drivers are careful enough.

A.must B.can C.have to D.need

 

B

【解析】

試題分析:句意:根據(jù)最近的研究,如果司機足夠小心的話,大部分交通事故都可以防止的。四個選項的含義分別是:A.must必須,B.can能夠,可能,C.have to不得不, D.need需要,這里使用can表示“有客觀的可能”,所以選B。

考點:考查情態(tài)動詞

 

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