三、Read and write. 通过学习和应用，同学们知道了don't和must经常用在安全提示语中。请看图片，模仿例句写句子，练习一下它们的用法。

例句：
You must stop at a red light.
Don't go at a red light.


1
You must ski slowly.
________
2
________
Don't drive an e-bike without ahelmet.
3

You must wear a life jacket whenyou take a ferry.
________

1. Don't ski too fast.
2. You must wear a helmet when you drive an e-bike.
3. Don't take a ferry without a life jacket.

四、Read and finish. 有些地方的学生上下学的出行方式很独特。请读一读，完成下列任务。

例句：
In Alaska, USA, some children go to school by sled.
任务一：根据思维导图中的关键词，模仿例句写一写。

________
________
________
任务二：请采访五位同学，了解他们的上学方式并记录在表格内。

任务一
In Munich, Germany, some children go to school on foot.
In Beijing, China, some children go to school by subway.
In Papa Westray, Scotland, the children went to school by plane in 2009.
任务二 略