Grammar worksheet focusing on article usage with visual aids including a cheetah, tennis equipment, and a mountain.

To solve the problem, we need to fill in the correct articles (`a`, `an`, `the`, or `-` [no article]) in each sentence. Here's the step-by-step solution with explanations:

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1. I bought ____ new TV set yesterday.

- Answer: a
- Explanation: "New" starts with a consonant sound, so we use "a."

2. Are you coming to ____ party next Saturday?

- Answer: the
- Explanation: The specific party being referred to is known (likely planned or mentioned earlier), so we use "the."

3. I think ____ man over there is very ill. He can't stand on his feet.

- Answer: the
- Explanation: The man is being pointed out specifically ("over there"), so we use "the."

4. They live in ____ Singapore but they were born in ____ USA.

- Answer: - , the
- Explanation:
- Countries like Singapore do not require an article when used as a general location.
- "USA" is a proper noun that often requires "the" when referring to it as a country.

5. She was wearing ____ ugly dress when she met him.

- Answer: an
- Explanation: "Ugly" starts with a vowel sound, so we use "an."

6. I am crazy about reading ____ history books.

- Answer: -
- Explanation: When talking about books in general, no article is needed.

7. ____ cheetah is ____ fastest land animal.

- Answer: The, the
- Explanation:
- "The cheetah" refers to cheetahs as a species.
- "The fastest land animal" uses "the" because it is a superlative.

8. Do you want to go to ____ restaurant where we first met?

- Answer: the
- Explanation: The specific restaurant being referred to is known (where you first met), so we use "the."

9. John plays ____ soccer better than he plays ____ guitar.

- Answer: -, the
- Explanation:
- Sports like soccer are played without an article.
- Musical instruments like the guitar require "the."

10. He thinks that ____ love is what will save us all.

- Answer: -
- Explanation: Abstract nouns like "love" do not require an article when used in a general sense.

11. ____ Mount Everest is ____ highest mountain in ____ world.

- Answer: The, the, the
- Explanation:
- "Mount Everest" is a proper noun and does not require an article.
- "Highest" is a superlative, so we use "the."
- "World" is a general term here, so we use "the."

12. Jenny grabbed ____ last piece of chocolate pie.

- Answer: the
- Explanation: "Last" is a specific descriptor, so we use "the."

13. They play ____ tennis twice ____ week.

- Answer: -, a
- Explanation:
- Sports like tennis are played without an article.
- "Twice a week" is a common phrase using "a."

14. We had ____ romantic dinner cruise on ____ Seine.

- Answer: a, the
- Explanation:
- "A romantic dinner cruise" uses "a" because it is a singular, non-specific event.
- "The Seine" refers to a specific river, so we use "the."

15. John travelled to ____ Mexico last month.

- Answer: -
- Explanation: Countries like Mexico do not require an article when used as a general location.

16. My brother does not eat ____ chicken.

- Answer: -
- Explanation: When talking about food in general, no article is needed.

17. I was in ____ Japanese restaurant. ____ restaurant served good food.

- Answer: a, The
- Explanation:
- "A Japanese restaurant" uses "a" because it is a singular, non-specific restaurant.
- "The restaurant" refers back to the specific restaurant mentioned earlier, so we use "the."

18. ____ Himalayas form ____ border between ____ India and ____ rest of ____ Indian continent.

- Answer: The, the, -, the, the
- Explanation:
- "The Himalayas" is a specific mountain range, so we use "the."
- "Border" is a specific thing being formed, so we use "the."
- "India" is a country and does not require an article.
- "The rest of" is a common phrase using "the."
- "Indian continent" is a specific region, so we use "the."

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Final Answers:

1. a
2. the
3. the
4. -, the
5. an
6. -
7. The, the
8. the
9. -, the
10. -
11. The, the, the
12. the
13. -, a
14. a, the
15. -
16. -
17. a, The
18. The, the, -, the, the

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Boxed Final Answer:
\[
\boxed{
1. \text{a}, \,
2. \text{the}, \,
3. \text{the}, \,
4. \text{-, the}, \,
5. \text{an}, \,
6. \text{-}, \,
7. \text{The, the}, \,
8. \text{the}, \,
9. \text{-, the}, \,
10. \text{-}, \,
11. \text{The, the, the}, \,
12. \text{the}, \,
13. \text{-, a}, \,
14. \text{a, the}, \,
15. \text{-}, \,
16. \text{-}, \,
17. \text{a, The}, \,
18. \text{The, the, -, the, the}
}
\]