英语短文填空一篇When you are in (E ),you must be very (c )in the str

英语短文填空一篇When you are in (E ),you must be very (c )in the streets (b )the traffic (d )on the left.(B )you must look to the right (f )and then the left .If the traffic lights are (r ),the traffic must (s ).Then the people on foot can cross the (r ).If the traffic lights are (g ),the traffic can go and people on foot must not cross.