It is quite necessary for a qualified teacher to have good manners and ____ knowledge. ( 章节：8 难度：2)
- A、extensive
- B、expansive
- C、intensive
- D、expensive
正确答案:A
答案解析:有
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It is quite necessary for a qualified teacher to have good manners and ____ knowledge. ( 章节：8 难度：2)
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