I don’t know when he tomorrow. If he , I’ll let you know. A. comes, comesB. will come, co

I don’t know when he tomorrow. If he , I’ll let you know.
A. comes, comes
B. will come, comes
C. comes, will come
D. came, will come

A. comes, comes(答案→)B. will come, comesC. comes, will comeD. came, will come解析：第一句为when 引导的宾语从句，从句的时态，要根据时态本身来决定，第二句为if 引导的条件状语，主句为一般将来时，从句要用一般现在时，代替将来时，故选答案为B

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