可以用if.or

可以用if.or
可以用if.or

可以用if.or
这个绝对不可以.

不可以 weather or not

可以用if.or if可以跟or whether or not可以完全换成if? if 和or not可以连用吗 此句IF和WHETHER可替换吗I asked her if she wanted tea or coffee or ice-cream.if的位置可以用whether吗 if 在宾语从句中可以与or连用吗 为什么if后面不能or not,whether可以 if到底能不能跟or not 连用呢..or not 和if...or not的区别吗。比如说什么宾语从句后什么的还有还有 If you are not sure __a woman is married or not.中答案写whether那为什么就不可以用if了 if in case...可以用在一起吗?看看这句话是否ok?If in case the MS or purity goes wrong,we would either re-synthesize the peptide for you or would not charge you any fee for it. if和or whether if or not反意疑问句后面是不是一定要加or not.如：问:He cried:You have made a big mistake,haven't you?答：He cried whether you had made a big mistake or not.2.可以用if代替whether吗?（He cried if you made a big mistak if与or not可以连用吗?先看一个题,答案上选A,I wonder( ) I will catch the last bus or not.A.whether B.if可是我查了许多语法书,有些说whether/if都可以与or not连接使用（whether/if…or not）,只是if不能与or not vb if判断很多or的限制if a=1 or a=2 then 这样可以,如果是if a=1 or a=2 or a=3 or.then（只是举例,问题在判断or的个数）, or的个数超过一定的个数就报错了是吗? 宾语从句中if与or not可以连用吗先看一个题,答案上选A,I wonder( ) I will catch the last bus or not.A.whether B.if可是我查了许多语法书,有些说whether/if都可以与or not连接使用（whether/if…or not）,只是if不能 I was not sure if he was really interested or if he____polite.为什么用will j but they will die if two or three days without water这儿if作什么用? 讲解两个英语知识点whether .or 怎么用?什么时候可以与if .or not...替换?may just as 有没有just as well may...这个用法?哪个是对的?这个短语怎么用? I wasn't sure if he was really interested or if he _______polite .was just being我的问题是,用was不就可以吗,干嘛还要加being呀,这不重复了吗