题目内容：

My name is Tom Black. This is my cousin, Jack Smith. That is his dog. That computer is my cousin’s. The orange notebook is his, too. I have a good friend. Her name is Mary Smith. Is this her watch? No, it isn’t. It is black, It is mine. Hers is white.

1.The dog is_________.

A. Jack’s               B. Mary’s

C. Tom’s               D. Smith’s

2.Is this Mary’s watch?

A．Yes, it is.           B．Yes, it isn’t.

C．No, it is.           D．No, it isn’t.

3. _____ has ( 有 ) a computer.

A. Jack                B．Tom              C．Mary         D．Black

4.Is Jack’s notebook orange?

A．No, it isn’t.          B．Yes, it is.

C．No, it is.             D．Yes, it isn’t.

5.Mary’s watch is ______.

A. yellow               B. black              C. white         D. brown