Wang Tao is going to join in an exchange program in a vocational school of the USA . But he has little idea about American etiquette. Could you give him some suggestions? You may use the tips in the following form . Suggestions 1. You can talk about anything with Americans. 2. It would be better for you to leave a ten percent tip for lunch. 3. Just say “Thank you” if they praise your English. 4. Never ask women’s age or weight. 5. Clear your throat if you don’t feel comfortable even in public. 6. It’s not necessary to remember others’ names.