This is my little brother, Tim. __________ is in Grade 5.

A．He

B．They

C．We

下列每组单词中，选出不同类一项。
（    ）1. A. birthday    B. play     C. watch
（    ）2. A. twelfth     B. twentieth C. twenty
（    ）3. A. her B. him   C. their
（    ）4. A. under     B. behind   C. be
（    ）5. A. swimming   B. sing C. playing

根据汉语提示补全句子。
1. 你们什么时候去加拿大?
When will you__________ __________Canada?
2. 我想要她和我住在一起。
I want__________ __________ live with me.
3. 他们将什么时候来北京?
When will they____________________Beijing?
4. 请让丹尼接电话好吗?
May I__________ __________Danny?
5. 我打算去北京旅行。
I am going __________ __________ __________ to Beijing．

Can you tell ________ more about it? ( )

A．I

B．me

C．my

___________ a book. (    )

A．it's

B．It's