Поставьте must/mustn't 1.wear a seat belt 2.look both ways when you cross the road 3.walk on the pavement 4.talk to the driver 5.run onto the road 6.lean out the window

1. You must wear a seat belt.
2. You must look both ways when you cross the road.
3. You must walk on the pavement.
4. You mustn`t talk to the driver.
5. You mustn`t run onto the road.
6. You mustn`t lean out the window.