21. I can't go out tonight because I have a lot of homeworks to do. A B C D 21 A O B O C O D O 4 điểm 22. The 2004 Indian Ocean Tsunami was one of the worse natural disasters of the A B C D 21st century. 23. A tsunami warning system is currently being installing in the Indian Ocean. A B C D 24. If you tell me who's names should be on the list, I'll type them for you. A B C D 25. The house which I was born was destroyed in an earthquake ten years ago. A B C D
