1. I guess you haven't met yet.
2. How long have you been here?
3. Let me introduce myself. My name is David Goodman. I am an exchange student from Canada.
4. I am a stupid person on the whole.
5. Honesty is a good virtue.
6. What I can never tolerate is lying to me.
7. She is negligent in business and very choosy about dress.
8. He looks very appealing and easy-going.
考试的话可以拿满分了.