---- I don’t know if __     ___ .   

----He ______ if it doesn’t rain.

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

--- 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 will 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 his uncle ____________.—I think he ___________ if it doesn’t rain.