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所 …… 的(人或事) 另: what 不引導定語從句 一些引導詞的用法(三) Which 在引導表語從句時 ,常充當 _____________ 表示 。 The fact is that he hasn’t yet recover from illness. The reason why he has to go is that his mother is ill in bed. 既不充當成分 沒有意義比較 在定語從句中的用法。 2. 除 that,whether外的所有引導詞都 須在從句中充當相應的成分 。如: “ when”“why”“where”“how”“because” That is where Lu Xun used to live. That is why he didn’t pass the exam. as if ,as though引導。如: “ that”,“whether” The question is whether we should ask them for help. The trouble is that he has never done the work before. 。表語從句和主語指同一內(nèi)容,它對