There are so much road accidents every day.¡¡¡¡¡¡¡¡¡¡¡¡¡¡76£®______
¡¡¡¡They are often caused by carelessness. But there¡¡¡¡¡¡¡¡¡¡¡¡¡¡77£®______
¡¡¡¡are many rules that help to make the road safety.¡¡¡¡¡¡¡¡¡¡¡¡¡¡78£®______
¡¡¡¡Here are some rules what we ought to know: In Hong Kong ¡¡ 79£®______
¡¡¡¡traffic keeps to the left. Before across the ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 80£®______