一、用所给词的适当形式填空。
1. Discussions were centred on the development of (east) Europe.
2. It’s (comfortable) to travel in space. I don’t like it.
3. The food in the form of pills is not as (taste) as that from the Earth.
4. (2025·江阴市夏港中学期中)To protect the local environment，the government has decided to take (far) action.
5. (2025·无锡期中)Professor Li is quite satisfied with his students’ creative (invent).
6. (2025·扬州市广陵区模拟)Tourists are satisfied with the nice (serve) in Yangzhou hotels.
7. Getting a new machine is one thing. Keeping it running (smooth) is another thing.
8. (2025·无锡外国语学校模拟)If you don’t install the battery (proper)，this AI device won’t work for you.
9. (2024·连云港改编)As a traditional Chinese martial art(武术)，Taijiquan (spread) to more than 150 countries all over the world so far.
10. (2025·无锡市江南中学模拟)Don’t regret (lose) the chance. Another one always appears when you feel hopeless.
11. — Wendy，how long have you had the mobile phone？
— For a couple of days. I (buy) it last week.
12. (2024·镇江模拟改编)All the students (change) a lot in the last 3 years of junior high.
13. (2024·白银、武威)Cindy goes to the reading club (one) a week.
14. (2024·扬州改编)Look! My sister (set) the table. Let’s give her a hand.
15. Linda (clean) the classroom when her English teacher came into the classroom.
16. If each of us (follow) the rules of nature，our world will become better and better.
17. — Daddy，when will we go out to fly a kite? — As soon as the rain (stop).
18. (2025·无锡市江阴市模拟)Simon was (satisfy) with the model plane made by himself.
19. (2025·无锡外国语学校模拟)Ouch! Hey，watch out! You (step) on my foot!
20. (2025·无锡市江南中学模拟)— Judy，have you finished your English letter?
— Not yet，Mrs White. But I (work) on it.
21. (2025·江阴市夏港中学期中)His heart is full of excitement and (proud) when he sees his son’s success.
22. How (tire) it is to travel long distances by train in such hot weather!
23. If you can manage (get) two tickets，that will be better.
24. Scientists are (sure) where science and technology will take us in the future.
25. — Can you tell me how to get to the nearest subway station?
— Sorry. I’m a (strange) here.

1. Eastern 2. uncomfortable 3. tasty 4. further 5. invention 6. service 7. smoothly 8. properly 9. has spread 10. losing 11. bought 12. have changed 13. once 14. is setting 15. was cleaning 16. follows 17. stops 18. satisfied 19. stepped 20. am working 21. pride 22. tiring 23. to get 24. unsure 25. stranger