my vs mine：物主形容词和物主代词

例句

• This is my pen.

• This pen is mine.

• Whose bag is it?

• It's yours.

练习

1. 填空：This is ___ (my/mine) book.
2. 填空：This book is ___ (my/mine).
3. 写 2 组 Whose... 问答。

参考答案

1. my
2. mine
3. 示例略（句型正确即可）。