書面表達假期裏，一些學生志願者想擔當交通小衞士，他們為司機朋友們製作了温馨提示卡，將一些安全駕駛時所注意的事項...

Dear drivers,               Enjoy driving

To keep   1    , please follow the rules!

You may go on if the light is green. When there is a red light, you must   2    .

Wait   3     the light changes to green if you want to turn left.

Whether the light is green or red, you can turn right if there are no cars in front of you.

Color-blind people cannot see the difference   4  red and green, so please don’t drive.

Please remember not to drive    5    around a school.