Exercise 2.
1. Someone has signed all the papers.
->All …………………………………………………………………………………………..
2. They will post your letters when the ship arrives.
->Your letters………………………………………………………………………………….
3. They have sold their car to pay their debts.
->Their car……………………………………………………………………………………..
4. They asked us many questions about our country.
->We ………….……………………………………………………………………………….
5. We should do something about these serious problems.
-> Something…………………………………………………………………………………..
6. The laser bean can kill cancer cells accuracily and effectively.
->Cancer cells………………………………………………………………………………….
7.The doctors are using the laser to cure her birthmark.
->The laser…………………………………………………………………………………….
8. Military scientists have tested the laser against satellites.
->The laser…………………………………………………………………………………….
9. When did they use this new treatment?
->When was………………………………………………………………..………………….
10. They call the big machine in the yard a combine harvester.
->The big machine……………………………………………….……………………………