Giúp mình với giúp mình với ạ

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1. This is the second person to be killed in this way.
2. My secretary typed faster than that man.
3. She told me that she would get Ann home at 11 o'clock.
4. This problem is so difficult that I can not explain it.
5. In spite of the cold weather, they went out swimming.
6. The problem is being studied carefully by the scientists.
7. It was at this shop that she bought him a computer.
8. The boy was too lazy to pass his exam.
9. Despite the low salary, I decided to get the job.
10. His sister sings better than John.