Here are the detailed answers for each section of your worksheet: Section B: Fill in the correct word into the sentence. (1) When riding a bike, wear a helmet. (2) Drivers always look into the rear-view mirror. (3) Our car is in good working condition. (4) Pedestrians should walk on the pavement. (5) Watch out! The bus is coming close! (6) Use handgrips when on the bus. Section C: Use the correct verbs. (1) Pilots can fly a plane. (2) The supermarket is near here, let's walk. (3) My sister is young, she can't drive a car. (4) In a car we should wear seat belts. (5) My dad sails a boat when he goes fishing. (6) Look both ways when you cross the street. Section D: Choose the correct prepositions. (1) Stop at the traffic sign. (2) Park in front of the bank. (3) Many people like travelling by car. (4) In summer we go to the country house by a train. (5) Let's go to the bus stop and take the bus. (6) It's good to go on foot a lot. Section E: Make the sentences about the people and use 'can' or 'can't'. (1) Brian can play the piano. (2) Sonia can't clean the flat. (3) Brian can't drive a lorry. (4) Sonia can draw. Section F: Choose the correct item to express prohibition or permission. (1) You can’t drive. (2) You can’t go both ways. (3) You can’t go there. (4) You can’t turn right. (5) You can’t use a bike here. These are the correct answers for your worksheet. Let me know if you need further clarifications.