I will tell you if he to Beijing tomorrow.A. come B. comes C. will come

问题补充：

I will tell you if he to Beijing tomorrow.

A. come B. comes C. will come

答案：

解析：if引导的条件状语从句用一般现在时，主语用一般将来时。句意：如果明天他来北京，我就告诉你。故选B。