题目内容：

If在下列列句中的用法
If you ask him,he will help you.
if you fall in the exam,you will let him dowm
I do not really care if my friends are the same as me 
回答：if有两个意思,一个是—,如列句——,另一个意思是——,如列句——

优质解答

一个是如果 如例句1 2 另一个意思是 是否 如例句3