1.I dontt knowwhen she （ ）,but when she（ ）,I will let you kn

1.I dontt knowwhen she （ ）,but when she（ ）,I will let you know.

A.arrives,will arrive

B.will arrive,arrives

C.arrives,arrives

D.will arrive,will crrive

2.I don't know if she ( )tomorrow.If she ( ) ,i'll call you.

A.comes,comes

B.will come,will come

C.will come,comes

D.comes,will come

最好说明为什么这样做

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4个回答

1B I don't know when she 是宾语从句,我不知道她什么时候会来,因为还没来,要用将来时.

when she（ ）,I will let you know.是时间状语从句,时态用主将从现,这句话是从句用一般现在时.

2C 一样的道理

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