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關閉窗口 all all 是什么意思?
請看下面這道題，是all all？還是both both？還是that that？或還是which which？
He told us __________ he had seen in the accident.
A. all all B. both both C. that that D. which which
此題應選A。容易誤選C。誤認為第一個that用作賓語從句的引導詞，第二個that在賓語從句中用作seen的賓語。
大家知道：引導名詞性從句(主語從句、賓語從句、表語從句、同位語從句等)的that 在句中是不能充當任何句子成分的。所以若選C，將第二個that看作是賓語從句中謂語動詞seen的賓語，這是不成立的。
正確的分析是：此題應選A，第一個all用作us的同位語，第二個all用作動詞 told 的直接賓語，其后的 that he had seen in the accident是用以修飾第二個all的定語從句，全句意為：他告訴我們所有的人他在事故所看到的所有情況。
有時命題者故意將幾個比較特殊的句子結構，通過某種特殊手段混在一起，主要考查考生對句子結構的綜合理解能力。請做以下試題(注意分析句子結構)。如：
1. Would you tell me what subject you were good_________ school?
A. at at B. in in C. for for D. with with
2. The books we _________ nothing to do with this subject.
A. have have B. do do C. read read D. need need
3. Whoever has a strong __________ not leave his work halfway done.
A. shall shall B. will will C. can can D. may may
答案：1. A 2. A 3. B
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