III. Choose the best answer A, B, C or D to complete the sentences:
1. What can be done to protect people from __________ disasters?
A. environment B. environmental C. environmentally D. environmentalist
2. All our English teachers are __________ speakers.
A. native B. original C. foreign D. foreigns
3. The heavy rain has caused __________ in many parts of the country.
A. storms B. floods C. drought D. flood
4. Science is used in all corners of the world for the __________ of people.
A. interest B. need C. profits D. benefit
5. The new invention could have a wide range of __________ in industry.
A. applications B. concerns C. goodness D. advance
6. Too much carbon dioxide in the air can be __________ for humans to breathe.
A. poisonous B. unfriendly C. healthy D. poison
7. Teenagers often use abbreviations when ___________.
A. texting B. video conferencing C. sending letters D. talking
8. The ___________ in technology allow astronomers to know more about outer space.
A. developments B. science C. exploration D. discovery
9. To generate cheap and clean energy, instead of burning fossil fuels, scientists have developed____.
A. oil B. solar panels C. electricity D. coal burning
10. Mary wondered if Neptune __________ larger than Saturn.
A. was B. being C. is D. be
