Read the following text carefully and choose the correct answer A, B, C or D for each of the gap.

SAFETY TIPS FOR BUS PASSENGERS

Always maintain a queue while waiting (1)______ a bus. Never stand on queue on the middle of the road.

At the time of boarding a bus do not try to run or chase the bus. Once you are inside the bus, (2)______ a seat and hold firmly on the handrail if you are standing.

Never try to (3)______ an overcrowded bus.

Avoid (4)______ inside of a bus because your high-pitch noise may distract the attention of the driver and it could lead to a major (5)______ accident.

Always maintain a queue while waiting (1)______ a bus.