1 . _____ shouldn’t have part-time jobs because they are too young.

A．Thirteen years old

B．Thirteen-year-old

C．Thirteen-year-olds

D．Thirteen year olds

2 . 一Is this your office?
一No．______ is on the third floor．

A．Mine

B．Me

C．My

D．Myself

3 . 请判断下列句子中划线部分所充当的句子成分。
A. 主语             B. 谓语             C. 宾语             D. 表语
1. I am like this animal because I am strong and intelligent.
2. Can each one of us help to save the environment?
3. It’s important to have a healthy lifestyle.

4 . Look at the hat．__________ on the floor.

A．It

B．Its

C．It’s

5 . Which of the following can NOT be used as subject?

A．Mary	B．walking along the street
C．they	D．feed the animals