how 怎么救自己而不是是否救 什么救 什么时候救
will tell if条件句 自己看看语法书 第一种条件 表现在假设 后加将来时
ifI were you , iwould do
if he had , I would have
最简单的3种形式
if sth is sth , sth will xxxx
how 怎么救自己而不是是否救 什么救 什么时候救
will tell if条件句 自己看看语法书 第一种条件 表现在假设 后加将来时
ifI were you , iwould do
if he had , I would have
最简单的3种形式
if sth is sth , sth will xxxx