1. Tom is cleaning the classroom. — The classroom is being cleaned by Tom.2. Mr. Green colected stamps. — Stamps were collected by Mr. Green .3. The work was done (has been done) on time. — They did (have done) the work on time.4. The telegramm will be sent on time. — They will send the telegramm on time.5. I will send the telegramm tomorrow. — The telegramm will be sent tomorrow.6. We received the answer two days later. — The answer was received two days later.7. The answer will be received in two days. — They will receive the answer in two days.8. They will show you the way to the university. — You will be shown the way to the university.9. The house was built 5 years ago. — They built the house 5 years ago.10. The text was translated yesterday. — They translated the text yesterday.