помогите пожалуйста английский 6 класс умоляю очень срочно!!

1 I have just got a letter from my friend. 2 I think I have already done a lot of important things in my life.3 Jake has finished his homework at 6 pm. It took him an hour to do it.4 Nelly has finished her task yet.5 I read a lot when I was a schoolboy.6 Steve has read this book yet.7 Did you watch the football match yesterday? 8 My mother has done the shopping today.