3. The monitor ___________ the five of us to clean the floor yesterday afternoon.

2. We didn’t know ___________ she hadn’t handed in the paper.

1. He exclaimed how lovely the house ___________.

19. His mother said to him , “ Don’t play with fire . ”

18. Wang said , “ Don’t keep me waiting for a long time , Li Hua . ”

17. Li Hong said to her , “ Please tell me what happened . ”

16. Mother said , “ Wash your hands before meals . ”

15. The two men asked the Arab , “ What have you done with our goods ? ”

14. He asked me , “ Where did you spend your holidays this year ? ”

13. She asked , “ When will they start building a physics lab ? ”