I. Choose the best option for each sentence:

1. D. Although: This is the best choice to show contrast between unhealthy and healthy options.
2. C. the tastier: This completes the comparison, suggesting a connection between natural food and taste.
3. B. every: This is the correct preposition for the frequency of drinking water.
4. C. some: This indicates an indefinite amount of energy, fitting for breakfast.
5. A. goes: This completes the sentence grammatically and allows control over ingredients.

II. Fill in the blanks:

1. C. bustling: This describes a downtown area full of activity. (Healthy living for teens is the overall theme, not the missing word.)
2. C. theme: This refers to the topic for next week.
3. D. Thank you: This is the polite way to respond to someone offering help.
4. C. preservation: This is the noun form referring to the act of protecting the tribe's culture.
5. B. where: This asks for the location of artisans.
6. A. carrying out: This describes the current project.
7. B. should: This suggests a recommendation for staying up late.
8. C. more / faster: "More" modifies "much" and "faster" emphasizes the speed increase.
9. B. turned down: This means she rejected the offer.
10. B. Voluntary work to help people in a community: This is the definition of community service.