My friend Mary had an accident yesterday when she was on her

My friend Mary had an accident yesterday when she was on her way home from school.
She was riding her bike on Wilson Street 41_____ a bus.She couldn't see very clearly 42_____ it was raining.Suddenly,a dag ran 43_____ the street in front of the bus.The bus driver tried to 44______.As soon as Mary saw the bus stop,she put her brakes(刹车) on,but the street was 45_____ and the bike couldn't stop at once.So she hit the back of the bus and 46____ her bike.
A young man was walking on Wilson Street.He stopped 47____ Mary.Mary wasn't badly hurt,but her bike was broken,so she couldn't ride 48_____ home.Luckily,the scene(现场) of the accident was close to her 49_____,and she was able to 50_____ home with her bike.