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A. Has it arrived yet? B. No, they haven ' t. C. What are you up to? D. Have the scientists spoken to the astronauts? E. It ' s about Mars. F. Yes, I did. G. Have you been to Mars? |
A: Hey ! Wang Hai ! .
B: I ' m reading a book.
A: What ' s it about?
B: .
A: Mars? That sounds interesting. What does the book say?
B: It says," Scientists have sent a spacecraft to Mars."
A: .
B: Yes, it has.
A: .
B: No. Because there are not any astronauts in the spacecraft.
A: Have the scientists found any life on Mars?
B:.
