20．-Alice，             was it that they found the lost dictionary？
-The headteacher had made every effort to help him．（　�。�
A．WhenB．HowC．WhereD．What

分析 -Alice，他們是怎樣找到那本丟失的字典的？
--校長努力幫他（找到的）．

解答 答案：B．
根據(jù)答語"校長努力幫他（找到的）"可知本題提問的是方式，分析四個選項，A．when表示時間；B．how表示方式；C．where表示地點；D．what提問"什么"；故答案選B．

點評 解析：本題考查被強調(diào)的疑問詞，可以將題干還原成非強調(diào)句：___ did they find the lost dictionary？這樣就很容易得出答案了．

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