Question

I don't know if she _________ to my birthday party tomorrow．If she _________ , I'll be very happy．

[　　]

A．

comes; comes

B．

will come; comes

C．

comes; will come

Answer 1

答案：B
解析：

宾语从句和条件状语从句的考查。由if引导的条件状语从句，用一般现在时态，主句用一般将来时。当if做是否讲时，所引导的宾语从句通常是一般将来时。