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主题：
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as引导的定语从句 |
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内容：
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6.____ has been said before, grammar is very important in learning a language.
A As B It C What D That
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提交人：
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卞博洋
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时间：
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5/27/2002 14:7:50
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主题：
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as引导的定语从句 |
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内容：
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6.____ has been said before, grammar is very important in learning a language.
A As B It C What D That
解答：A。同which一样，as可以指代一句话，所不同的是as引导的定语从句可以放在句首，而which引导的不能。 |
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提交人：
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tchzhangxj
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时间：
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5/27/2002 14:7:54
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