根据所给的中文提示，写出正确的单词或词组，注意时态的变化:

1. Joe, a secretary, is ill in bed with ____________(流感).

2. Mr. White is one of my ______________(同事).

3. The doctor asked me to take some _______(药片) to reduce my _________(温度).

4. If you see him, please send my _______________(问候) to him.

5. He wanted you to get better soon, because he cannot __________(处理) the letters.

6. Everything _____ _______(散架) when you ask for leave.

7. The book is a large ____________(收集,集成) of world records.

8. They don’t know how the accident _______ _______(发生 ).

9. He was having a _____________(讨论) with his father.

10. All the students are in the classroom, _______________(包含,包括) Li Ming.

11. We should learn as many __________(技能,技巧) as possible.

12. This useful book ____________(提供) the answers to all these questions.

13. The book becomes a _____ _______ ________(畅销物,畅销品) immediately.

14. In this ___________(信息) age, we must update our knowledge.

15. He is very sad for he __________(失败) to pass the exam.