1, it's so imporatnt for our living enviroment to preserve
2, he went home late that his parents were very worried
3, she wishes she would not spend her holiday in ha long bay
4, i wish the traditional markets had not been replaced with some supermarkets
5, i wish i revised my lessonn for the exam
6,correct
7, fastly-> fast: đây là tính từ bất qui tắc
