Ответ:
- He lost his wallet while he was getting off the bus.
- When was the wallet lost?
- The city is beautiful now. All the squares are decorated with Christmas trees.
- All the squares must be decorated.
- I want you to decorate the Christmas tree.
- Who decorates the squares? — They do.
- The teacher said that my English greatly had improved since the previous year.
- The teacher said that my English would improve the next year.
- When Oleg finishes school, he will study Geology.
- I wonder when he will finish school.
- There was nobody in the house when I returned from the library. Everybody had gone to the airport to pick up my aunt.
- He was washing his jacket when the phone rang. He did not answer it.
- His mother expects him to wash his jacket.
- — Why is there water on the floor? — I have washed the jacket. I have not dried the floor yet.
Использованы времена Past Simple, Past Continuous, Present Simple, Future Simple, Past Perfect, Present Perfect, пассивный залог и инфинитив после соответствующих конструкций.
