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or that解析: 例3意為:“我早已把理由告訴了他們,于是我沒有出席會議。was late for school,______ often happened.a. as b. for which c. that d. why解析: 本句意為:“瑪麗上學(xué)遲到了,這是常有的事。5.當(dāng)非限制性定語從句修飾整個主句時,其關(guān)系代詞可以用as 和which,但位于舉句首不能用which,只能用as?!眛hat不能用于引導(dǎo)非限制性定語從句,故選b?!毕刃性~為reason時,非限制性定語從句應(yīng)用for which引導(dǎo),故選a?!备鶕?jù)句意,關(guān)系代詞as引導(dǎo)的非限制性定語從句修飾前面的主句,其位置非常靈活,故答案為a。下列哪一項是錯誤的?”關(guān)系代詞作mentioned的賓語且指人時,可用who/whom/that,在限制性定語從句中可省略,故c是錯的。heard a terrible noise, ______ frightened her.a. that b. which c. what d. whoheard a terrible noise ___