1 . —Are these your __________ (eraser), Kangkang?
—Yes, they are.

2 . It is an eraser. (对划线部分提问)
________ ________ this in English?

3 .
1. What do you have in your schoolbag?
→你的文具盒里有什么？
_________________________________________________________
2. I have a bottle.
→我有一个帽子。
_________________________________________________________
→我有一个橡皮。
_________________________________________________________

4 .
1. ________ n.瓶子
2. ________ n.橡皮
3. ________ n.钥匙；关键→（复数）________
4. ________ n.颜色