A: Hello! This is Lucy. ?
B: Yes, this is Li Lei speaking.
A: ?
B: I am watching a live program on CCTV 1. It's so exciting.
A: ?
B: It's about the experiments three astronauts are doing on the space station.
A: That's great. I'm interested in space, so I want to be an astronaut like them.
B: ?
A: I'm going to study science harder and take more exercise to make me stronger.
B: I hope your dream will come true.
A: .
