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Question 9. Having been a famous ______for years, Halong Bay becomes even more renowned after it was listed
in 1994 as a World Heritage Site by UNESCO.
A. destination B. architecture C. recognition D. monument
Question 10. Every day we see more and more pollution ______from the ocean onto our beaches.
A. come B. to come C. came D. be coming
Question 11. When children learn to be proud of the work they do, they will stick with their ______, even when
they become hard or challenging.
A. games B. causes C. tasks D. missions
Question 12. By cutting down trees, we share the responsibility of climate change, the ______ of our forests, and
the poisoning of our air and water.
A. destruct B. destructive C. destruction D. destructing
Question 13. Although on a departmental basis, postgraduate study within the faculty is not confined to
disciplinary boundaries.
A. organize B. organizing C. organization D. organized
Question 14. Those factories have been accused of toxic waste into the river.
A. having dumped B. being dumped C. dumped D. having been dumped
Finish the following sentences using a preposition:
1. Renewable energy sources can be reformed naturally in a short period of time. They are not used .up.. when the energy is exploited.
2. Using coal as a major energy source is not a good idea. It's running .out..
3. Biogas system is introduced ..to. poor people because it supplies people ..with. electricity.
4. Garbage is burned .to.. produce steam ..for. making electricity or to provide heat ..to. industries and home.
5. The new crop of corn takes .up.. the carbon dioxide ..from. the air to reduce air pollution.