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24. Residents in tall buildings in Ha Noi ran ______ their homes in fear.
A. out of B. on C. to D. out

25. Con Dao National Park ______ a rich habitat for marine life.
A. releases B. reduces C. provides D. reuses

26. The roads were slippery ______ it started to rain.
A. so B. as soon as C. when D. before

27. My grandmother ______ goes to the market to buy food. She goes there every day.
A. always B. never C. rarely D. sometimes

28. Do you like ______ products?
A. home-growing B. home-grew C. home-grown D. home-grow

29. ______ trees and burning forests destroy a lot of wildlife habitats.
A. Watering B. Cleaning up C. Planting D. Cutting down

30. Do you know that ______ can cause pollution?
A. littering B. releasing C. protecting D. keeping

31. You can ______ bargain at the supermarket because the prices are fixed.
A. always B. often C. never D. sometimes

32. There were only a few houses left standing ______ the tornado hit.
A. after B. before C. as soon as D. until

33. The shuttle bus ______ every 15 minutes to take customers to the parking lot.
A. will leave B. leaves C. left D. was leaving

34. We ______ home economics next semester. We have music instead.
A. didn’t have B. won’t have C. don’t have D. weren’t having

35. The announcement says that the sale ______ for just two hours, from 17:00 to 19:00 tomorrow.
A. lasts B. will last C. lasted D. last

36. Phong: My uncle called this morning. A flood destroyed his house.
Mark: A. I’m glad. B. You’re welcome. C. I’m sorry to hear that. D. You’re very kind.