Question

We don’t know if she _____ home. If she ____, I’ll tell you.  

A．comes; will come	B．will come; will come
C．comes; comes	D．will come; comes

Answer 1

D

第一个空句意我不知道她是否会回家，动作表将来，故用一般将来时态；第二个空句意如果他来，我就告诉你。条件句应用一般现在时态表将来，主句用一般将来时态。故选D。