听短文,完成下列内容。每空格限填一词。
16. The writer felt lonely and sad when she went to Beijing three ________ ago.
17. The writer was not used to the food in Beijing because it was very ________.
18. The writer’s Chinese teacher ________ her how to smile at life.
19. With the help of the Chinese teacher, the writer lives ________.
20. They ________ old books to some poor children and often play with them.
21. When she sees some poor students, she thinks she is so ________.