Прочитайте разговор студентов и скажите, как долго каждый из них исполняет

Прочитайте разговор студентов и скажите, как длинно каждый из их исполняет свою работу.

К примеру:Gary has been throwing away rubbish for an hour and a half.

Adam: What are you doing, Gary?

Gary: Throwing away rubbish. I started at half past ten, and its twelve oclock now, look.

Melanie: Im washing up. Ive been doing it since half past eleven.

Adam: Sadie and I are tidying up. We started at half past ten.

Lisa: Has anyone seen a bucket? Ive been looking for one since ten to twelve.

Gary: I think Alison and Jason had a bucket. Theyre working in the garden. Theyve been there since nine oclock.

Lisa:Whats Don doing?

Adam: Hes cleaning the stairs. Hes been doing that since Melanie started washing up.

Emma: And Im repairing this toaster. I started at eleven oclock, but it still wont work.

Adam: Trevors mending the door bell. He began the job at about twenty to twelve.

Melanie: Daniel and Rebecca are brushing carpets. They started at ten.

Gary: Lets all go out and have some lunch soon.

Adam: Good idea.