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5. The man who used to be very rich í selling lottery tickets.
6. You are going to come to the party, aren't you?
7. The instructions explained by Professor Johnson helped us know more about the danger of energy pollution.
8. The damage is reported to be extensive.
9. The man from whom I got the present was very kind.
10. Lisa has been able to play the flute since she was six, hasn't she?
11. They used to work as astronauts, didn't they?
12. We are studying at Thanh Son High School established over 50 years.
13. It is Nam and Binh that are cheating in exams.
14. Shakespeare, who was born in England, is well-known all over the world.
15. The footballer is supposed to be earning ten million pounds a year.