（代词）下列句子或对话中均有一处错误,请找出并改正.

1.All of the two DVDs are very interesting,so I don't know which one to buy.
将All 改为Both.因为all指的是三者或三者以上,both指的是两者.
2.The pet cat in your hands is very nice.Is it your?
- Yes,but I'll give it to my friend Lucy as her birthday present.
将your 改为yours.yours=your pet cat
3.Help yourself to some cakes,children.
- Thank you.
将yourself 改为yourselves.因为 children是复数.
4.David is new here,so we know something about him.
将something 改为nothing,因为David is new
5.Some parents care about theirs children's education more than anything else.
将theirs 改为 their ,因为their在句子中做形容词性物主代词.
6.If I do everything for you,you won't learn to depend on you.
将you改为yourself,当主语和宾语一致时,宾语用反身代词.
7.I'm expecting an MP5,but my parents have no money to buy it for me.
将it改为one,因为it指的是同一个东西,而one指的是性质相同,但不是同一物体.
8.Kate and I are going to the concert this weekend.Dad will take we there.
将we改为us,因为us在句中做take的宾语.

1. All 改为Both
2. 第2个your改为yours
3. yourself 改为yourselves
4. something改为nothing
5. theirs改为their
6. you改为yourself
7. 是对的
8. we改为us

第七句错在buy it for me中it,改为one.楼上其他都对。