Choose the most suitable form:
1. (Being tired, tired) we couldn't continue (working, having worked) in the laboratory.
2. I have never heard (she, her) (playing, to play) the
piano.
3.1 like films (showing, shown) the lives of famous people.
4. In Britain she had a lot of problems as she wasn't used to (drive, driving) on the left.
5. My friend wants (I, me) (to help, helping) him with the translation of an English article.
6. I don't usually carry my passport with me. I'm afraid of (losing, to lose) it.
7. (Not knowing, not having known) many words, I had (to use, using) a dictionary while (translating, being translated) the text.
8. She avoids (expressing, to express) her opinion in public. She prefers (keeping, to keep) silence.
9. Would you mind (answering, to answer) a few questions? - I'd rather you stopped (asking, to ask) silly questions.
10. He finished (writing, to write) the letter with the words "I'm looking forward to (seeing, see) you."
11. The books (written, writing) by L.Tolstoy are (read, reading) with great interest.
12. I'm sorry (to bother, bothering) you, but I need (to talk, talking) to you.
13. I'm sorry (for being, to be) late. I was delayed by the traffic.
14. The article (typing, being typed) will be published in the local newspaper.
15. (Pass) the last exam, one of the students suggested (going, to go) to the pub in the evening.
16. I'm sorry (hearing, to hear) that you've lost your job.
17. She is a very interesting person. I always enjoy (talking to talk) to her.
18. If you cross the street without (look, looking), you risk (being, having been) knocked down.
19. He is trying to sell his car but nobody is interested (in buying, to buy) it.
20. I live only a short way from here, so it's not worth (taking, to take) a taxi (get, getting) home.