22. ------Hello, Wang Pengwei!

　 ------Hello, Maochang! Your usual/ May I help you?

　 ------No, just a water and some fruit.

21. He did/does hope he will win the game.

20. She doesn’t answer the doorbell. She might/should be asleep.

19. One ought not to be punished / not be punished for what one hasn’t done.

16. One day we will manage to rid the world of/ out this terrible disease.

15. They are researching into /in the effects of cigarette smoking.

14. She lay /lied to them about her age in order to get the job.

13. She put on dark glasses because the sun was glaring / staring in her eyes.

12. Have a little chicken, don’t you/ will you?

11. The plant is dead. I would have been / should have given it more water.