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