Are these pens  ?（   ）

A．yours

B．your

C．you

判断题。
（_____） 1. He is going to buys a dictionary.
（_____） 2. In the UK，this is the ground floor .In the US，this is the first floor.

（_____） 3. I want to buy a dictionary.

（_____） 4. The apple pies is nice.
（_____） 5. These are my.

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：____________________________________________

It isn't ______, Tom. It's ______.（   ）

A．you, mine

B．yours, my

C．yours, mine

选词填空，补全句子。
yours hers ours mine
【小题1】This is your eraser, where is __________ ?
【小题2】Your classroom is clean, __________ is clean, too.
【小题3】------ Is this Sarah’s new bike?
------ No, __________ is yellow.
【小题4】My pencil-box is too small. What about __________ ?