Chọn phương án đúng

giup minh vs a
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16. The ao dai, the traditional long dress for women, has become a symbol of Vietnamese __________ and culture.
A. people B. Identity C. location D. voice

17. Organic waste such as fruit and vegetables can __________ more quickly than other materials.
A. decrease B. decompose C. destroy D. degrade

18. We can __________ glass jars for storing cookies, jam, or nuts.
A. reduce B. reuse C. recycle D. waste

19. Since most people in Hong Kong can’t afford a car, they rely __________ public transport.
A. of B. on C. with D. about

20. You forgot to turn __________ the tap in the bathroom. It’s a waste of clean water!
A. on B. off C. up D. down