补全对话

After Shenzhou-13 Manned Spaceship（神舟十三号载人航天飞船）returned to earth successfully, Wang Ping and Li Hong are talking about their dreams.

A: Hi, Wang Ping, ？

B: Science.

A: ？

B: Because I think science is so magic. Especially after watching Shenzhou-13 Manned Spaceship returned to earth successfully.

A: ？

B: Yes. I want to be a scientist like those who work behind Shenzhou-13 Manned Spaceship.

A: !But it is hard to become a scientist.

B: I know. So from now on, I must work harder than before.

A: I believe if you stick to your dream, you will succeed in the end.

B: . Nothing is impossible. And I'm sure I can reach it.

A: Come on.