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必修三第二模块的.1 She will tell us why she feels so strongly that e

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必修三第二模块的.
1 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 in.
A to have played B to play C to be played D to be playing
为什么是B
2 Although he has lived with us for years,he____us many impression.
A hadn`t left B didn`t leave C doesn`t leave D hasn`t left
为什么是D
1.to表示目的我们每一个都有一个角色,其中us与play之见是主动地,相当于we play a role所以用play不需要其它形式
2.虽然他和我们住在一起很久了,但是他却没有给我们留下很深的印象
前面是he has所以后面也使用一般现在时即可
因为强调的是从过去到现在的影响,所以用完成时态,he第三人称,所以选用D