I. Write the correct tense or form of the verbs in brackets.
1. Until now, 38,000 people_________ (evacuate) from the flood-affected areas.
2. Typhoon Ketsana_________ (now/ move) west, threatening to hit Central
Vietnam in the Corning days.
3. About 500 ha of pine forests_________ (destroy) by a fire last month.
4. Can we predict when a volcano_________ (erupt)?
5. The crops failed because it_________ (not rain) all summer.
6. Forest fires_________ (may/ start) by people or by lightning in storms.
7. A powerful earthquake (strike) Southern California on Friday night.
8. Scientists do not use the term “tidal wave” because tsunami waves_________ (not cause) by tides.
9. The Amazon_________ (already/ lose) around 17 percent over the past 50 years.
10. I_________ (never/ experience) such a big earthquake before I_________ (go) to Java island.
11. Natural disasters can force people_________ (leave) their homes.
12. If you are trapped in a collapsed building, cover your mouth with a cloth to avoid _________ (breathe) dust.