第16题: [单项选择]What can we learn about the man A. He firmly believes in UFOs. B. He is doubtful about UFOs. C. He is sure many people have seen UFOs. D. He thinks many people have lied about UFOs. 参考答案:B 答案解析:W: Tony, do you have a belief in UFO
M: Me Well, I have never seen it, but there are a lot of peo