Поставьте глаголы, данные в скобках в правильную форму present simple или past simple,активный или пассивный залог.
1. It's a big factory. Five hundred people ______________________ (employ) there.
2. ______________________ (somebody / clean) this room yesterday?
3. Water __________________ (cover) most of the earth’s surface.
4. How much of the earth's surface ________________________ (cover) by water?
5. The park gates ______________________ (lock) at 6.30 p.m. every evening.
6. The letter ___________________ (post) a week ago and it _______________ (arrive) yesterday.
7. The boat hit a rock and __________________ (sink) quickly. Fortunately everybody ___________________ (rescue).
8. Richard's parents ___________________ (die) when he was very young. He and his sister _____________________ (bring up) by their grandparents.