You should concentrate on the road when you're driving.
You must be careful in crossing the street.
Look out for cars when you cross the road.
Look out for cars when you cross the road.
When you cross the street, watch out for cars.
Look out for cars when you cross the road.
Watch out for cars when you cross the street.
In crossing the street, you must watch out for cars.
Be on the watch for cars when you cross the street.
You must be careful in crossing the road.
You should be careful in crossing the street.
You should look out for cars when you cross the street.
Look out for cars in crossing the street.
Be careful when you cross a road.
You must be careful in crossing the road.
You must be careful of the traffic when you cross the street.
You must take special care how you drive your car along busy streets.
Be careful when you walk across the street.
You should be very careful in crossing the road.
You must be careful in crossing the street.
Please be careful when crossing the street.
You must be careful in crossing the street.
Look out for pedestrians when you drive a car.
You must be careful in crossing the street.
You must be careful when you drive a car.
You should be careful when you drive a car.