You .............wear a helmet when you ride a bike.
should
You ................ walk on the pavement
should
You should wait for the ......................... before crossing the road.
green light
You ...................... walk on the road
shouldn't
You .......................... cross the road at the zebra crossing
should
You .................. play on the road.
shouldn't
You should look .............. and ............... before crossing the road.
left and then right
You .............. fasten your seatbelt when you drive.
should