三、给下列句子选择相应的图片。
( )1. I'm twelve.

( )2. I have nine balloons(气球).

( )3. I have six bananas.

( )4. I'm in Grade Seven.

1. A
2. A
3. B
4. A

四、补全对话。
Lingling: Hello, Yanyan. 1. ____
Yanyan: I am in Class One, Grade Three.
Lingling: How can you help at school?
Yanyan: I clean five chairs. 2. ____
Lingling: Well done!
Yanyan: 3. ____
A. And I clean five desks.
B. Which class are you in?
C. Thank you.

1. B；2. A；3. C