一道英语题,快来解答

来源:百度知道 编辑:UC知道 时间:2024/06/27 17:40:57
Lily is going to see a film if she ______ free tomorrow.
A has B is going to C is going to have D is
请务必说明原因,谢谢!!!!!!!!!!!!

is
free是形容词
has+名词
is going to+动词
is going to have+名词

选D

is going to do sth.这里的do是动词原形的形式,free是形容词,所以不能用going to free.
其实这个就是日常用语的习惯问题,具体说为什么也不太容易。

is
IF引导的从句,如果有将来时的意思,用一般现在时表达

D

free是形容词, 之前要加Be, 只有D是be形式