We don’t know if she home. If she I’ll tell you.A. comes; will come B. will come; will

问题补充：

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

答案：

A. comes; will come

B. will come; will come

C. comes; comes

(答案→)D. will come; comes

解析：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。