三、Read and choose. 交通规则宣传活动结束后，Chen Jie 和 John 商量着一起去书店买书，他们如何去？请读一读，把对话补充完整。
John: Chen Jie, let's go to the bookstore.
Chen Jie: Good idea. 1.
John: We can go by bike. Look at my new helmet.
Chen Jie: 2.
John: 3. Let's go.
Chen Jie: It's a red light now. 4.
John: Oh, right! 5.
A. How can we get there?
B. We must stop and wait.
C. Wow, it's very cool!
D. Thank you.
E. I must pay attention to the traffic lights!

1. A 2. C 3. D 4. B 5. E

四、Read and fill. 电动自行车非常方便，但行车安全很重要。请读一读，根据短文内容补全句子。
E-bikes
Today people usually go out by e-bikes (电动自行车). It's fast and convenient (方便的). But people should protect (保护) themselves. They must pay attention to the traffic lights. Some people ride the e-bikes fast and they even go at a red light. That's very dangerous (危险的). So people should slow down at the traffic lights. At the same time, they must wear a helmet, too. Because it can protect their heads. Do your parents ride e-bikes to work? Please tell them to pay attention to the traffic lights and wear a helmet.
1. People must wear when they ride an .
2. Don't go .
3. The e-bikes are and convenient.
4. We should pay attention to the .

1. a helmet, e-bike 2. at a red light 3. fast 4. traffic lights