III. Complete the sentences with the correct form of the verbs in brackets. 17. Phong (tell) __________ me yesterday that he (learn) _________ French for a year. 18. Ms. Hong (work) ____ at our school for twenty years before she (retire) _______ last June. 19. By the time I (get) _________ to Nick’s house, his party (already/ start) _____________. 20. I couldn’t recognize my cousin because he (grow) _________ up a lot. IV. Find the mistake in each of the following sentences. 21. Hundreds (A) of houses destroyed (B) after a tornado hit (C) the small town (D) of Texas. 22. Many people got injured (A) in the storm because (B) they weren’t prepared (C) for the disaster (D). 23. It is reported (A) that six people trapped (B) in collapsed (C) buildings have freed (D) so far. 24. The earthquake occurred (A) at midday (B) when many (C) people had had (D) lunch. 25. Do you know (A) that the word (B) “tsunami” takes (C) from the Japanese for (D) “harbor wave”. V. Read the passage and choose the correct answer A, B, C or D that best fits the blank. The top 10 natural disasters most likely occurring throughout the world include blizzards, droughts, earthquakes, floods, heat waves, hurricanes, thunderstorms, tornados, tsunamis, and wildfires. Some of the listed disasters may occur (26) _______ such as a hurricane and thunderstorm causing massive flooding, or possibly a tsunami, or a heat wave coupled with wildfires. Other natural disasters include landslides and avalanches, which can (27) _______ by earthquakes, heavy rain or snow, or other disasters. Snow or mud can be released from the side of a mountain or hillside burying the area below. Finally, there are active volcanoes, (28)______ are eruptions of a mountaintop, sending out ash clouds, lava, and more, causing damage to property and the loss of human life. The most common types of natural disasters in the world (29) _______ floods and storms. All natural disasters cause damage and destruction, and often one or more people die (30) _______ the effects of the natural disaster. Many of the disasters can be predicted ahead of time with some warnings given for people to prepare and move to safety. 26. A. simultaneously  B. separately  C. alternately  D. quickly 27. A. cause  B. be caused  C. is caused  D. be causing 28. A. which  B. who  C. that  D. whom 29. A. be  B. is  C. are  D. had been 30. A. because  B. since  C. in spite of  D. due to