--- I don’t know if he ____. 　　--- He’ll come if it ___.

A. comes, won’t rain      B. will come, doesn’t rain

C. comes, doesn’t rain    D. will come, won’t rain

--- I don’t know if he ____. 　　--- He’ll come if it ___.

I don’t know if he tomorrow. But if he ______ , I’ll tell you.

　　A. will come;will come B. comes;comes C. will come;comes D. comes;will come

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