Question

Cathy wonders if her teacher _______ to her house. If she _______, what will she say to her parents?

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

Answer 1

D  

if既可以引导宾语从句又可以引导状语从句。if充当宾语从句的连接词时，相当于whether，词义为“是否”，遵循宾语从句的时态规则，可根据语境选择任何时态；充当从属连词，引导条件状语从句时，词义为“如果”，若主句中的谓语动词用一般将来时，则从句中的谓语动词通常用一般现在时表示将来。