Bạn tham khảo nhé :
29. A ( "It comes from the ocean and carries rain )
30. C ( "Clouds build up around the mountains" )
31. D ( "When it rain the whole day, they may suddenly overflow and cause great damage to the land" )
32. A ( "There is water for their fields and they can again start growing rice" )
33. C ( "But the people in town are not so glad for the streets soon get muddy and dirty" )
Chúc bạn học tốt !
