读一读，补全对话。
Chen: Hey! 1___________________?
John: We are doing an expriment.
Chen: 2___________________?
John: What do ants like to eat?
Chen: That's interesting.
John: Come and have a look.
Chen: 3___________________?
John: 4___________________. They don't like vegetables.
Chen: Are they eating the candies?
John: 5___________________. They like sweet food.
