Chia động từ trog () theo dạng bị động or chủ động :
2. The word tsunami__________( take ) from the Japanese for ''harbour ware''
3. Floods___________( usually, generate ) by heavy rains.
4. Forest fires___________( destroy ) large areas of forests every summer.
5. More than 200,000 people___________( kill ) in the 2004 tsunami.