It is important to provide an environment () people are encouraged to make suggestions at all levels of the company. ( 章节：2 难度：1)
- A、from which
- B、on which
- C、in which
- D、for which
正确答案:C
答案解析:有
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It is important to provide an environment () people are encouraged to make suggestions at all levels of the company. ( 章节：2 难度：1)
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