听第 3 段对话,回答第 15 至 17 题。
() 15. When did Tim and Mike have a fight?
A. On Thursday. B. On Friday. C. On Saturday.
() 16. Who likes to watch movies best?
A. Alice. B. Tim. C. Mike.
() 17. How will Mike say sorry to Tim at last?
A. By writing a letter. B. By saying sorry face to face. C. By inviting him to watch a movie.

由于没有提供第3段对话的具体内容，无法完成题目的解析和答案给出。请你提供该对话内容，以便我为你准确解答。

听第 4 段对话,回答第 18 至 20 题。
() 18. How long did Jack spend on his homework?
A. For 1 hour. B. For 1.5 hours. C. For 2 hours.
() 19. What may Jack want to be in the future?
A. A pianist. B. A basketball player. C. A computer programmer.
() 20. What do Jack's parents care about?
A. His hobbies. B. His grades. C. His happiness.

因缺少对话内容，无法给出准确答案。

四、听短文,根据短文内容完成所缺信息。短文念三遍。

21. 根据短文“Stress is a natural feeling. It can make us feel bad.”可知，压力是一种自然的感觉，所以此处填“natural”。
22. 根据短文“If you trust an adult or a friend, share your problems with him.”可知，如果你信任一个成年人或朋友，就和他分享你的问题，所以此处填“trust”。
23. 根据短文“Take a break. Stopping working for a while to do something else can make your mind fresh.”可知，休息一下，停止工作一会儿去做别的事情可以让你的头脑清醒，所以此处填“break”。
24. 根据短文“Different kinds of physical activities can help you relax.”可知，不同种类的体育活动可以帮助你放松，所以此处填“physical”。
25. 根据短文“Organize your work so that you won’t feel nervous.”可知，组织好你的工作，这样你就不会感到紧张，所以此处填“nervous”。
21. natural
22. trust
23. break
24. physical
25. nervous