all.together 和 altogether的差别：
All together的意思通常是”每一个人都……”或”,每一件事情都……”.
Come on, everybody sing. All together now,…
来,每一个人都唱.现在大家一块儿唱……
put the plates all together in the sink.
把盘子都放在水池子里.
Altogether的意思是”完全地”或”总地说来”.
My new house isn’t altogether finished.
我的新房子还没有全部完工.
Altogether, I think marriage is a bit of a mistake.
总的说来,我认为结婚多少是个错误.
Altogether还可以用来表示总数.
That’s 67 pence altogether.总共67个便士.
I’d like 3 dozen altogether.我想一共要三个.
other和 else的差别 ：
other和else都可作形容词,表示“别的”,但用法完全不同.other修饰名词,位于名词之前,else修饰不定代词（something,everything,anything,nothing,somebody,everybody,anybody,nobody等）,疑问代词（who,which,what等）和疑问副词（when,where等）,必须位于这些词之后,与other的位置恰好相反.试比较：
①What's that in your other hand?你另一只手里拿着的是什么?
②I remember I read about it in some other book.
我记得我在别的一本书中读到过这一点.
③The other students are all on the playground.其他的学生都在操场上.
④“Do you have anything else (= any other thing) to say?”
“Nothing else. ”
“你还有别的事情要说吗?”“没别的事了.”
⑤What else did you do yesterday?昨天你还做了什么?
⑥Where else did she go and who else did she see?
她还去了别的什么地方?还见了谁?