[00:02.00]Useful expressions常用表達法
[00:03.32]Unit 2第二單元
[00:05.23]How do you come to school?你怎么來學校的？
[00:08.85]Usually, I come on foot.通常我走路來。
[00:11.84]In the USA people on bikes must wear one.在美國騎自行車的人必須戴（頭盔）。
[00:17.65]Don't go at the red light!別闖紅燈！
[00:20.54]I must pay attention to the traffic lights!我必須注意交通信號燈！