I don’t know if he tomorrow. If he I’ll tell him about it.A. will come will comeB. com

问题补充：

I don’t know if he tomorrow. If he , I’ll tell him about it.

A. will come, will come

B. comes, comes

C. comes, will come

D. will come, comes

答案：

A. will come, will come

B. comes, comes

C. comes, will come

(答案→)D. will come, comes

解析：此题综合性比较强，既考查了if引导的宾语从句，也考查了if引导的条件状语从句。前半句是宾语从句重点考查从句的时态问题，tomorrow是明天，表示将来故用将来时；后半句是条件状语从句，考查从句的时态要用一般现在时。