帮我看一下这题(英语）

1.Who studies maths best among all of you?
2.Chen Fei runs fastest of we all
3.The man walked faster and faster, then we could't see him.

3. that we couldn't see him
2. than we all

1 than all of you

best
fastest us
faster

1 who studies maths best among all of you?
2 chen fei runs fastest of us all
3 the man walked faster and faster then we couldnt see him.

-er 是比较，表示什么比什么更。。
-est是最高级，表示什么东西最。。

Who studies maths best among all of you? ( among 表示有三个人或三人以上，应用最高级）

Chen Fei runs fastest of we all. （也是应该用最高级）

The man walked faster and faster , then we could't see him. ( fast 的比较级就是faster ,不用加much)

1.可改为
Who studies maths better between you and him/her? 你们(两个人)之间谁的数学比较好?

或

Who studies maths best among all of you? 你们(三人或以上)当中谁的数学比较好

among 后跟的是三人或以上. 但better是用于两人或两部分的比较.因此是矛盾的.

2. all 与faster也矛盾,道理与上同.all 代表的是三人或以上,两