题目内容
根据对话内容，从方框中选择恰当的句子，将对话补充完整。(选项中有两项是多余的)
A: Have you heard of life in space, Mary?
B: No, not yet. 1.
A: UFOs? You mean the aliens (外星人)? B: Yeah!2.
A: Really? When did he see them?
B: Oh, it was about one o’clock in the morning. He was going out of bed todrink some water. Then he heard something outside. So he went to the window and looked out.3.
A: What was it? A plane?
B: No, it was a UFO. Then he saw three short aliens in his garden!4. He ran to get his camera.
A: And then?
B:5.
A: Oh, no, what did he do then?
B: When he came back to the window, the aliens went away.
A. There was red light in the sky.
B. A UFO landed when I was walking in the street.
C. But I have known about UFOs.
D. They had no hair on their heads.
E. You must be dreaming.
F. He couldn’t find his camera.
G. And Tom has seen them before.
B. 
C. 