根据句子意思，用所给单词的适当形式填空。未提供单词的根据上下文填入适当的词。
Mini was a very popular student. She was easy to get along with and she had many friends.
One day, the 10-year-old girl did bad in the class and her teacher told her to "stay as" punishment (惩罚). Staying backdoing something. 'useful', like helping in the garden or library after school is .
In Mini's school, every month, students could their punishment time with someone else. If you had something else to do theyou were punished, you could ask a friend to do it for you. Of course, you had to do it for him, but it had to be in themonth.
On that day, a very dear aunt was visiting Mini on her way to America. That afternoon was the chance Mini had to meet her for another five years.
Mini had to find someone else to do it for her. But there was a problem. It was the day of the month.
She went to ask some students. But each one refused.
Of course, no one said no directly,everyone had an excuse.
So, after school Mini stayed back to help the librarian, Ms. Martha. And, when Ms. Martha （find）her crying after everyone had left, she let her leave to meet her aunt.
When she went home, she said to herself, "I thought I had many friends, but in fact I have none."
