I don’t know if he tomorrow. If he I will call you.A. will come; will comeB. will come;

问题补充：

I don’t know if he tomorrow. If he , I will call you.

A. will come; will come

B. will come; comes

C. comes; will come

D. comes; comes

答案：

A. will come; will come

(答案→)B. will come; comes

C. comes; will come

D. comes; comes

解析：此题考查if引导的条件状语从句和宾语从句的相关知识。根据语境可知此句的含义是我不知道他明天来不来，如果来了我就给您打电话。根据语法知识可知第一个分句是if引导的宾语从句，且表示将来的动作，故用一般将来时；后半句是条件状语从句，从句用一般现在时，主句要用将来时，故选B。