15. Thank you very much for ____________(help) us.

14. Stop ___________(talk) and listen to me carefully.

13. The doctor was busy ____________(operate) on the boy at that time.

12. Can you finish ___________(read) the book in three days?

11. Knives are used for ______________(cut) things.

10. Don’t keep me __________(wait) for a long time.

9.He came to the party without _______(invite)　

8.Is there any possibility of our ______　the championship?(win)

7.She ought to be praised instead of ______ (criticize).

6.She was praised for _______ the life of the child.(save)