Open the brackets and fill in the gaps.
1)Alex should be careful. He (to sunbathe) since eight o’clock.
2)Put on your raincoat. It (to rain) since morning.
3) Mary is worried. She (to wait) for her aunt to come home since seven p.m.
4)Aren’t Jane and Nick at home yet?- They are still preparing for the conference at the office. They (to prepare) for this conference for a week.
5) - Is Frank in his room? What he (to do) since morning? - He (to prepare) for the French test.
6) -How long you (to travel) around Italy? - I (to travel) for two weeks.
7) -Are Margie and Liz still in the garden?- They (to water) the flowers for two hours now!
8) -How long Mr Smith (to wash) his car? - He
(to wash) it for more than an hour.
9)What they (to write) since five o’clock? — They (to write) an article for their college journal.
10) -How long Mirs White (to cook) ? — She
(to cook) it for more than an two hours.