Complete the sentences with the correct forms of the verbs in brackets. Using present participles or past participles.  

1. __________ about the results of the competition, I couldn’t sleep. (worry)

2. __________ by heavy rainfall, river floods have become larger and more frequent. (cause)

3. __________ the trees to create farm land, the farmers are destroying the natural habitat of thousands of species. (cut down)

4. _________ next year, the new law will ban cars from the city centre. (start)

5. __________ early in the morning, your plants will live longer. (water)

6. The cat hid behind a wall, ___________________ (watch) the mouse eat cheese.

7. ___________________ (confuse) by the homework assignment, I emailed my professor.

8. __________________ (realize) that there was no hope to save his business, he gave up.

9. __________________ (motivate) by his friends, Ron accepted the job offer.

10. ___________________ (remove) his glasses, the professor shook his head with disappointment.