Преобразуйте предложения из пассивного залога в активный, добавив лицо, совершающее действие, где это необходимо.

The tickets should be reserved tomorrow.

Two single rooms have been booked for the friends by their travel agent.

The pyramids are being ruined by the tourists.

The new sofa was delivered yesterday.

Our work must be finished in May.
An ancient settlement has been discovered by archaeologists.

Hundreds of rare birds are killed every day.

This story was written by Agatha Christie.

1 It is easy to translate this sentence. 2 It is hard to ask him about it. 3. It is nice here on holiday. 4. It is late to go there now. 5. He should start learning English. 6 It is easy for her to translate this book into French as she knows the language well. 7 It is hard for them to study as they work on the plant in the evening. 8. I heed to know where she lives. 9 It is necessary to thank her for help. 10 It is impossible to send this letter now. 11. You need to hurry home. It is likely that he knows this artist.

1 research - what scientists do to find out something about a topic
2 investigation - after something (eg. a crime, an accident) has happened, we carry out this
3 invent - to create something for the first time
4 equipment - machines and tools that we use to do jobs
5 battery - a mobile phone needs one of these to work
6 modernise - to improve something which already exists
7 engine - without this, a car wouldn't go anywhere
8 appliance - a piece of equipment that does a specific job(eg a fridge)
9 switch - without this, we couldn't turn on the lights at home
10 discover - to find something which existed but no-one knew about before