Alice___to see her aunt if she___tree tomorrow.

问题描述:

Alice___to see her aunt if she___tree tomorrow.
Alice___to see her aunt if she___free tomorrow.A.will come,will be B.come ,is C.will come,isD.comes,will be考点及原因?

应该选C吧
主将从先嘛
主句将来时,从句一般现在现在时,if后面跟的是从句,所以用一般现在时.