题目内容
6. We must do something protect the environment around US.
A. help B. helping
C.to help D. to helping
6. C
6. C 此处do something的目的是“帮助保护我们周围的环境”, 用动词不定式作目的状语。故选C.
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题目内容
6. We must do something protect the environment around US.
A. help B. helping
C.to help D. to helping
6. C 此处do something的目的是“帮助保护我们周围的环境”, 用动词不定式作目的状语。故选C.