题目内容
Everyone here will thank the firefighters for the things they have done to prevent fires _______ the environment safer.
- A.make
- B.to making
- C.to make
- D.from making
C
从语法角度考虑可排除A、B两项,D项符合语法,但句意不妥,C项不定式结构表结果。?
从语法角度考虑可排除A、B两项,D项符合语法,但句意不妥,C项不定式结构表结果。?
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