In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.

Article: Making friends is a skill like most skills. It improves with practice. If you want to meet people and make friends, you must be willing to take some action. You must first go where there are people. You won't make friends staying home alone. Joining a club or a group, talking with those who like the same things as you do is much easier. Or join someone in some activity. Many people are nervous when talking to new people. After all meeting strangers means facing the unknown. And it's human nature to feel a bit uncomfortable about unknown. Most of our fears about dealing with new people comes from doubts about ourselves. We imagine other people are judging us, finding us too tall or too short, too this or too that. But don't forget that they must be feeling the same way. Try to accept yourself as you are, and try to put the other person at ease. You'll both feel more comfortable. Try to act self-confident even if you don't feel that way. When you enter a room full of strangers, such as a new classroom, walk tall and straight, look directly at other people and smile. If you see someone you'd like to speak to, say something. Don't wait for the other person to start a conversation. Just meeting someone new does not mean that you will make friends with that person--friendship is based on mutual liking and "give and take". It takes time and effort to develop.
Answer: Making friends
The best topic of the passage may be _ .

Article: A new research has uncovered that culture is a determining factor when people interpret facial emotions .The study reveals that in cultures where emotional control is the standard,such as Japan,the focus is placed on the eyes to interpret emotions. Whereas in cultures where emotion is openly expressed,such as the United States,the focus is on the mouth to interpret emotions. "These findings go against the popular theory that the facial expressions of basic emotions can be universally recognized," said University of Alberta researcher Dr.Takahiko Masuda." A person's culture plays a very strong role in determining how he will read emotions and needs to be considered when interpreting the facial expressions." These cultural differences are even noticeable in computer emoticons ,which are used to convey a writer's emotions by email and text message. The Japanese emotions for happiness and sadness vary in terms of how the eyes are drawn ,while the American emotions vary with the direction of the mouth. In the United States the emoticons:)and:) show a happy face,whereas the emoticons:(and:(show a sad face. However,the Japanese tend to use the symbol ('') to indicate a happy face,and (;;) to indicate a sad face. "We think it is quite interesting and appropriate that culture tends to mask its emotions. The Japanese would focus on a person's eyes when detecting his or her emotions,as eyes tend to be quite subtle ,"said Masuda. "In the United States,where an open emotion is quite common,it makes sense to focus on the mouth,which is the most expressive feature on a person's face."
Answer: culture is a key to interpreting facial emotions
The text mainly tells us that _ .

Article: John, a famous musician, took his priceless antique violin and played it in the crowded subway station. The music from the violin was delicately streaming throughout the whole station. However, during the one-hour play, only six or seven people were truly appreciating the charming music. A three-year-old kid was so fascinated by the music that he forgot everything around. John only got 52 dollars for his work that day. However, in normal days, when John is about to hold a concert, one ticket can be sold at more than 100 dollars and it is extremely hard to buy a ticket even at such a high price. Therefore, later, many passers-by in the station that day felt deeply regretful for not recognizing the famous musician and missing such a valuable but cheap music feast. I have a very busy friend who had totally changed after knowing that his wife came down with incurable illness. He cooked by himself for the family and took a walk with his wife every day. Nonetheless, his wife still did not manage to conquer the illness and passed away after three months. After that, he often sighed miserably that due to his past busy life, he had missed a lot of beautiful time with his wife. But now, it is impossible to make up for it. It is no use crying over spilt milk. We have missed a lot of precious things in our life without knowing to cherish them. Actually, I also missed something precious before. The reason why we would have missed those precious things is less than simple: we had thought that we could still own them tomorrow. Nevertheless, tomorrow is actually by no means reliable. There was a famous Buddhist monk saying that in many people's lives, they have only done two things: _ The result is that they were always too late to cherish what they had before they lost it. We would often claim to do something when we grow up, or when we have money or when we become old, etc. However, when we reach the condition we have expected, we could no longer realize our wish, because we have lost it by then.
Answer: they are too careless to cherish precious things
The reason why people often regret may be that _ .