Correct the only one error in the following sentences.
1. The destruction in Soffia market has shocked a lot of people in my city.
2. Half of the student in this university come from countryside.
3. There has been a reduction of 10% in the number of money available for buying new books .
4. Our life has changed in many ways since the introduction for computer.
5. One recent report stated that despite the number of hobbies had not increased, each hobby had become much more specialized.
Làm ơn giúp mình vs ạ !!!! Mình đang cần gấp ! Cảm ơn