Rewrite the following sentences in correct english

Rewrite the following sentences in correct english
1) She was ten minutes late to school
2) Last summer i have stayed on my uncle's farm for two weeks 
3) The police found bomb-making equipments in his flat
4) Every body is doing his best 
5) This novel,that i bought last week, is very interesting
6) She has hardly never made such a mistake
7) He had nothing to do and nobody to play 
8) The boy wasn't old to stay at home alone
mn giup minh voi aaa