根据句意及首字母或汉语提示完成单词。

1. When did you begin to c________ stamps?

2. I'm going to o________ an English speech contest. Can you join?

3. There are a lot of beautiful photos in my a________.

4. I get a________ when the phone rings while I'm sleeping.

5. His bike is lost.  So he has to walk to school i________.

6. Joe has five pens and________(几个)pencils.

7. What should I do? Could you give me some________ (建议)?

8. It's impolite to cough loudly in________(公共场所)．

9. Can you see the words________(清楚地)?

10. Her English teacher speaks________(完美的)English. She is a good teacher.