高一英语外研版必修3(课标通用)课件module2 developing and developed countries period four
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However,although,but,while都可以表示转折关系,但它们的词性、用法各有不同。 一、however however adv.然而,不过。它的语气比but 的弱,不直接引出相反的意见,可放于句首和句中,且通常用逗号与句子其他成分隔开。

Module2 Developing and Developed Countries Period Four Grammar:Link words 课件(外研版必修3,课标通用)