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问题: 有关于非谓语动词18

She will tell us why she feels so strongly that
each of us has a role _____ in making the earth
a better place to live
A.to have played B.to play C.to be played D.to be playing
要详细的过程和思路

解答:

She will tell us why she feels so strongly that
each of us has a role ___B__ in making the earth
a better place to live
A.to have played B.to play C.to be played D.to be playing


have something to do




参考文献:个人观点