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

A: Whose book is this? （   ）
B: It’s ______.

A．me

B．she

C．mine

The book is _______. (   )

A．my

B．i

C．mine

D．her

按要求完成单词。
【小题1】heavy（比较级）________
【小题2】shorter（反义词）________
【小题3】your（名词性物主代词）_________
【小题4】my（名词性物主代词_________
【小题5】kilogram (缩写形式) _________