Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blànks.

In the United States and Canada, it is very important to (46)          a person directly in the eyes when you are having a conversation with him or her. If you look down or to the side when the other person is talking, that person will think that you are not interested in (47)         he or she is saying. This,(48)          , is not polite. If you look down or to the side when you are talking, it might seem that you are not honest.

However, people who are speaking will sometimes look away for a few seconds when they are thinking or (49)            to find the right word. But they always turn immediately back to look the listener directly in the eyes. These social "rules" are (50)            for two men, two women, a man and a woman, or an adult and a child.

In the United States and Canada, it is very important to (46)          a person directly in the eyes when you are having a conversation with him or her.