题目内容
( ) 5. Hie dictionaries are____ tools(工具) for students to look up new words.
A. used for B. used as
C. used to D. used with
5. B be used as意为"被作为...使用"。
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题目内容
( ) 5. Hie dictionaries are____ tools(工具) for students to look up new words.
A. used for B. used as
C. used to D. used with
5. B be used as意为"被作为...使用"。