短文填空.根據(jù)短文的意思,在所給的詞中選擇合適的填在相應的空格中,使短文完整,每格一詞
( orange,go, yellow, in , on, rulers, a, an, road, rules, boat, three, there, is, green , stop, )
You must know the traffic ______ if you walk ____ a city. There ___always _____ lights for the traffic lights. You can cross the street at a ______ light and you must ____ at a red light. The _____ light means “Wait’ . If you drive ___ car, you must drive ___ the right side of the _____.