问题
选择题
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
答案
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。