急求答案!英语难题

1.This isn't a book.
2.Is he a good boy?
3.Where is she?
4.She is a Chinese girl.
5.There is a pen on the desk.

1.her
2.countries
3.closing
4.third
5.Chinese
6.mine
7.paper
8.swimming
9.photos
10.mice
11.mangos/mangoes
12.making

一 1.This is a book.(变为否定句)
This is not a book.

2.He is a good boy.(变为一般疑问句)
Is he a good boy?

3.She is in the room.(用where提问)
Where is she?

4.I am a Chinese girl.(用she改写)
She is a Chinese girl.

5.the，pen，is，a，there，on，desk，.(连词成句)
There is a pen on the desk.

二.
1. she____her____(宾格)
2. country___countries______（复数）
3. close_____closing_____(现在分词)
4. three____third____(序数词)
5. China____Chinese______（形容词）
6. I ___mine____ （名词性物主代词）
7. paper __papers(报纸)____(复数)
8. swim ____swimming____（现在分词）
9.photo____photos____（复数）
10.mou