题目内容：

 

1. The dog stopped    ▲    at strangers when they ran away. (bark)

2.The    ▲     people think red, green and white are Christmas colors. (west)

3.. Every day the chimneys of    ▲    pour a lot of smoke to the air to pollute it. (factory)

4. I think you may be    ▲     in our new computer games. (interest)

5.. I often make chocolate cake by     ▲    . (me)