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        1. Keys _______ opening the lock in the door.

          A.used for B.a(chǎn)re used C.a(chǎn)re used to D.a(chǎn)re used for

          D

          解析試題分析:句意:鑰匙是用來開門上的鎖的。A結(jié)構(gòu)不完整,故錯誤。B be used to do 被用來做……,單選項不完整,故不正確。C be used to do 被用來做···,to后加動詞原形,結(jié)合句子結(jié)構(gòu)也不正確Dbe used for doing sth,被用來做……。故選D。
          考點:考查詞義辨析。

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