一、用括号内所给词的适当形式填空
1. It's ________ (polite) to interrupt someone when they are speaking.
2. Never give out your ________ (person) information to ________ (strange).
3. [2025重庆西南大学附属中学期末] If he ________ (reply) to us before tomorrow, we can make a better plan for the next step.
4. All her friends think she is a good ________ (listen) because she always listens to them ________ (careful).
5. 一语辨异 The teacher ________ to some main ________ on the blackboard to make everyone understand the story. (point)

1. impolite【点拨】根据“interrupt someone when they are speaking”可知，应用 polite 的反义词 impolite“不礼貌的”。故填 impolite。
2. personal; strangers【点拨】根据句意可知，第一空用形容词 personal 修饰名词 information；第二空表示“陌生人”，用名词，stranger 是可数名词，此处用复数形式。
3. replies
4. listener; carefully【点拨】根据“a good”可知，此处填名词，意为“倾听者”，故第一空填 listener。careful 是形容词，空处修饰 listens to，应用副词，故第二空填 carefully。
5. pointed; points【点拨】由语境可知，句子用一般过去时，第一空填动词过去式；第二空填名词复数。

6. My brother will be happy if he receives the toy.
7. Don't forget to praise the kids when they do something good.
8. You'd better yourself. Remember you can do almost everything if you try.
9. [2025深圳实验学校期末] The lack of communication caused many .
10. Though you have your excuse, you shouldn't make others wait for so long.

6. surely 7. sincerely 8. trust 9. misunderstandings 10. reasonable

11. We should always keep ourselves away danger.
12. Let's not argue him. After all, he is our classmate.
13. I think friendship is a hidden treasure. We'll benefit it.
14. 新素材 Now more and more people show interest AI technology.
15. Now, I would like to move on the next plan.

11. from 12. with 13. from 14. in 15. to

四、根据汉语提示补全句子或翻译句子
16. 青少年在公众场合应该注意自己的行为。
Teenagers should their behavior in public places.
17. 做你自己，不要在乎其他人是怎么看你的。
and don't care about what others think of you.
18. 为了查明真相，他继续在网上寻找相关的信息。
To the truth, he related information online.
19. 新素材 第九届亚洲冬季运动会在哈尔滨举行。许多人主动提出成为志愿者。
The 9th Asian Winter Games in Harbin. Many people .
20. 我很荣幸向大家做自我介绍。(It's a/one's great honour...)

16. pay attention to 17. Be yourself 18. find out; continued looking for 19. took place; offered to be volunteers 20. It's my great honour to introduce myself to all of you.