20. Earth will be too polluted__________(live) on.

19. They make him __________(water) the flowers.

18. The policeman stops the children from__________(play) football in the street.

17.It’s _________(possible) for Jim to catch up with his classmates because he never studies hard.

16. My father let me __________(use) his new digital camera.

15. The policemen will try their best to find the __________(murder).

14.By 2100, we will spend only a few hours __________( travel) to Mars in space shuttles.

13. This kind of sunglasses will be __________(fashionable) than that one.

12.–Have you watched the dance “Thousand-hand Goddess of Mercy (千手观音)”?

--Yes, it’s wonderful. We can hear the voice from the dancers’ __________(heart).

11. China is a great __________(develop) country.