1. ____________ that strange man sitting over there?

2. There are not _______ easy ways of learning a foreign language.

3. A kangaroo has such strong legs ______ it can jump over a car.

4. I ___________ this car for a year.

5. People use ______ words and gestures to express their feelings.

6. You will find your way to the village without difficulty _________________________ .

7. Tom is in his room. He ____________ the piano.

8. What do you want _________ ?

9. Can you imagine ___________________ in 2050?

10. I find it difficult to talk to Alan because we have so _________ in common.

11. Nobody _________ why people walk or talk in their sleep.

12. Who ________ : "To be or not to be, that is the question"?

13. My father always gives me __________________.

14. John F. Kennedy was the youngest president of the USA and ___________ to be murdered.

15. Pluto is ___________ of all planets.