2 Choose the correct options to complete the conversation. Andy: Look! (1) There's There are a mouse in the bathtub. Sal: No, there (2) is / isn't. It's a plastic toy. Jon: (3) There are / There's two concerts next week. Barb: Yes, but there (4) isn't / aren't any tickets left. Kai: (5) There's / There are a lot of people here. Clara: Yes. (6) There's / There are a soccer game at the stadium. Don: (7) There's / There are four supermarkets near my house. Dinah: Wow! There (8) isn't / aren't one near me.