4. Look at the picture below. What's left after the party? Answer the questions in exercise 3. Use There isn't much. / There are a lot. / There aren't many. 1. There are a lot.

Let's analyze what is left after the party using the picture and the given phrases. It seems we need to complete sentences using "There isn't much", "There are a lot", or "There aren't many". 1. The sentence provided is already filled with "There are a lot." Unfortunately, there are no further questions or context provided to answer with the phrases. If there were specific items to count in the picture, I could use "There are a lot" if there's a large quantity, "There aren't many" if there's a small quantity, and "There isn't much" for uncountable items.