阅读下面的短文, 在空白处填入一个适当的词, 或填入括号中所给词的适当形式。
Fiona was popular at school. She was clever and fun. She was kind and(friend) to everyone. She invited all her classmates to her birthday party, and sometimes she gave presents to her friends. She was a busy girlshe never spent time with even one friend.
Everything(change) on National Friendship Day. On that day, everyone got three(present) and gave them to their three best friends. Fiona enjoyed(buy) presents for three of her friends. But when all the students gave their presents to each other, Fiona was the only one who didn't get a present! She felt(happy), and spent hours crying. Why?
When she came home at night, she asked her mother for(advise). "My dear, you're a nice girl," said her mother, "but you can'ta close friend to everybody. You don't have enough time to be with all of(they). So everyone can only have a few true friends." Hearing this, Fiona changed her At last, she had some true friends.