They are hats. （  ）

A．our

B．we

C．you

改错题。
1. This are my house.
_______改为_______
2. You can make you house.
_______改为_______
3. You not come in.
_______改为______
4. I have an good idea.
_______改为______
4. I’m afraid to the dog.
________改为______

Classify the words. （把下列代词分类）
I, you, my, he, she, him, them, mine, their, his, myself, your, yours, hers, it, yourself, our, themselves, ours, me
1. 形容词性物主代词：________________________________________
2. 名词性物主代词：__________________________________________
3. 人称代词主格：____________________________________________
4. 人称代词宾格：____________________________________________

She’s my sister. That’s ________.   ( )

A．her hat

B．his hat

根据提示完成句子。
1. There are ________________ (20把椅子) in the classroom. 
2. The pencil box is ________ the desk. (在···上)
3. Steven is drawing on the ________.
4. ________ name is Li Ming. ________ is a boy.
5. —How many ________ are there? (55支铅笔)
—There are ________.