The correct answer for the given question is "1. any". In sentence 1, "There isn't any bread on the table", the word "any" is used because it is a negative sentence and we use "any" to indicate the absence of something. In sentence 2, "There is some meat in the basket", the word "some" is used because it is a positive sentence and we use "some" to indicate the presence of something. In sentence 3, "Are there any vegetables?", the word "any" is used because it is a question and we use "any" to ask about the presence or absence of something. In sentence 4, "There are some eggs in the box", the word "some" is used because it is a positive sentence and we use "some" to indicate the presence of something.