I don't know if she_____me when she_______ A.tells,arrives B.tells,will arrive C.will tell,will arrive D.will tell,arrives为什么选d 根据主将从先应选b呀

问题描述:

I don't know if she_____me when she_______
A.tells,arrives B.tells,will arrive C.will tell,will arrive D.will tell,arrives
为什么选d 根据主将从先应选b呀