If you are a man in the English-speaking countries, and a lady comes into the room, you must rise to your feet.
A. 对
B. 错
If you want to go and see one of your American or English friends, you can do it after lunch.
A. 对
B. 错
If you are invited to dinner by one of your English-speaking friends, you may bring the hostess some fruit as a present.
A. 对
B. 错
If you are a college student or a graduate student and meet during the break in an academic conference an American professor who is a friend of your supervisor’s, you can go over and have a talk with him as long as the break permits.
A. 对
B. 错