一、选不同类单词

1.

2.

3.

4.

5.

二、选择题

1.Do you have a knife?


　
　

2.A:Can I use your pen, please?

B:Sure _________


　
　

3._________It’s dangerous!


　
　

4.看见某处着火了，该怎么做：_________


　
　

5.She likes delicious food .She can be a _________in the future.


　
　

三、分类

1. use the sidewalk
2.climb the tree
3. climb on the window ledge
4. play with fire
5.wait for the green light
6. run down the stairs
7. play football in the street
8.throw things out of the window
9.open the door for a stranger
10. swim in the lake

It’s dangerous.

It’s safe.