题目内容：

 

1.I have been collecting _______   (集邮) for ten years.

2. We won’t get another _____    (机会)of a holiday this year.

3.You should work hard and make great _________(进步).

4.Her classmates didn’t _______(归还)her books.

5.He is always ______ (有礼貌的) to everyone.