A: I want to be an astronaut.
B:
1．A: It’s a spaceman.
B:
2．A: They fly rockets and do science.
B:
3．A:
4．B: Oh, I know. I want to be an astronaut.
A:
5．| A．What do astronauts do? |
| B．Me too. |
| C．We must be strong and clever. |
| D．What’s an astronaut? |
| E．What must you do to be an astronaut? |
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