帮忙把几个汉语句子翻译成英语，急用，在线等！

1. my computer crashed — this is what i had no paper in time for 2. the city to witness the 1960s, between blacks and whites a series of fierce struggle on the corner. there happened many times four is only an accident in this way, the doctor to save his life 5. only when he graduated, he realized that the school life is wonderful. 6. only by a couple of hours a day of the way you can master the language

1. My computer is broken ----- This is my reason for not hand in their papers on time
2. The city saw 60 years of the 20th century black and white series of fierce struggle between the
3. The corner where the accident occurred many times
4 Only in this way, doctors can save his life
5. Only when he graduated, he realized that school life is so beautiful.
6. Only by a few hours a day practicing the methods you can master the language.