2013高考英语备考：reason用法说明

　　reason

　　for this/that reason因为这个/那个原因：for no good reason没有正当的理由;for a simple reason因为一个很简单的原因;for some political reasons因为政治原因;for the reason of health由于健康原因;give a reason提供理由。

　　注意：reason词后的表语从句用that引导，定语从句多用why引导，偶尔用which引导。

　　[应用]用适当的连词填空

　　①His reason for being late was________he missed the bus.

　　②The reason__________he didn’t come to school was that he was ill.

　　③The doctor gave reason________ couldn’t explain the failure of the operation.

　　Key :①that ②why ③which/that

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