◎ 题干
(2013·浙江金华二模)A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.
A.should have been saved
B.must have been saved
C.need have been saved
D.could have been saved
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“(2013·浙江金华二模)A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.A.should have been savedB.must …”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。