The correct answer is option A: Too many cooks spoil the broth.
Explanation:
- The phrase "too many cooks spoil the broth" is an idiom that means if too many people are involved in doing something, it may result in confusion and failure.
- In this sentence, the word "too" is used as an adverb to modify the adjective "many" and convey the meaning of excessive or more than necessary.
- Let's analyze the other options:
- Option B: "To" is a preposition and does not fit in the given sentence.
- Option C: "Two" is a number and does not fit in the given sentence.
- Option D: "Tow" is a verb meaning to pull or drag and does not fit in the given sentence.
- Therefore, the correct adverb to complete the sentence is "too" which conveys the meaning of excessive or more than necessary.

Explanation:

The correct answer is option 'A' - Too.

Explanation:
- The proverb "Too many cooks spoil the broth" means that when there are too many people involved in a task or project, it can lead to confusion, inefficiency, and a poor end result.
- The word "too" is used as an adverb in this sentence, meaning "in excess" or "more than necessary". It emphasizes the idea that having an excessive number of cooks will have a negative impact on the quality of the broth.
- The other options are not suitable because they do not convey the same meaning as "too".
- Option 'B' - To: This is a preposition or part of the infinitive form of a verb. It does not fit in the context of the sentence.
- Option 'C' - Two: This is the number 2, which does not make sense in the sentence.
- Option 'D' - Tow: This is a verb meaning to pull or drag something behind. It does not make sense in the context of the sentence.

Example:
- "Too many cooks spoil the broth" means that if there are too many people involved in cooking a dish, they may interfere with each other and make mistakes, resulting in a bad-tasting dish. It emphasizes the importance of having a manageable number of people working together.

Conclusion:
- In this question, the correct adverb to fill in the blank is "too". It accurately conveys the meaning of the proverb "Too many cooks spoil the broth" by indicating that an excessive number of people can have a negative impact on the outcome of a task or project.