Помогите пожалуйста Прошу. Очень срочно дам много баллов. Нужно выбрать правильное

1) He's only on page 20 of this book, and he's been reading/read for hours!
2) Michelle / 30 emails today
3) Look at Kate! She's so happy! She /
from the university!
4) Sarah plays basketball really well, and she /
it for half a year.
5) Ben's eyes hurt — he's / on a computer since the morning.
6)They're having a party tonight — mum and sister have / all day long.
7) I can't find my purse — I / for it since I come to work.
8)What? They haven't finished yet? What have they / all morning?