I. Chia động từ trong ngoặc theo dạng bị động hoặc chủ động. (Supply the correct form of the verbs in the passive or active form.) 1. Every year hundreds of thousands people _______ (leave) homeless by natural disasters. 2. The word tsunami _______ (take) from the Japanese for ‘harbour wave’. 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. 6. Many islands _______ (hit) by hurricanes every year. V. Some avalanches _______ (create) by skiers. 8. Powerful tsunami waves _______ (carry) ships many kilometres inland. 9. Many natural disasters _______ (cause) by global warming. 10. A lot of African countries _______ (have) long periods of drought.