9. Joining in extracurricular activities can broaden our circle of acquaintances.
參加課外活動能擴大我們的社交圈。
還能這樣說：
From extracurricular activities we can make many new friends.
Extracurricular activities are very good for us to broaden our circle of acquaintance.
諺語：
It's as broad as it is long.
半斤八兩。
10. We should join in more activities after school.
我們應該多參加課外活動。
還能這樣說：
We should take an active part in the extracurricular activities.
We ought to participate in after-class activities.
諺語：
After a storm comes a calm.
雨過天晴，苦盡甘來。
11. Who are we going to play today?
我們今天和哪個隊對打？
還能這樣說：
Which team will we play with?
Who will we play today?
應用解析：
a play on words pun 雙關語；
come into play 起作用；
play on 利用
12. What's your favorite sport?
你最喜歡什么活動？
還能這樣說：
Which sports do you like best?
What pleases you best?
應用解析：
make sport of sb. 嘲笑某人，開某人的玩笑；
be a sport 夠朋友一點，講點交情；
good sport 堂堂正正的好人；討人喜歡的人
13. I joined students society.
我加入了學生社團。
還能這樣說：
I am on stuents club.
I am a member of students society.
應用解析：
move in polite society 出入上流社會；
avoid the society of 避免和……來往；
be quit of sb.'s society 和……斷絕來往；
go into soceity 進入交際界，常赴宴會
14. What extracurricular activities did you usually have at your university?
你在大學通常參加什么課外活動？
還能這樣說：
What were your extracurricular activities when you were at college?
What activities did you usually take part in your spare time?
15. I worked my way after class.
我在課外勤工儉學。
還能這樣說：
I was on work-study in my spare time.
I paid my way through my college after class.
應用解析：
be way beyond expectation 大大出手意料外外；
across the way 路對面；街對面；
bluff one's way out (of) 蒙混過關
16. The extracurricular activity is a necessary part of the school lives.
課外活動是學校生活不可缺少的一環。
還能這樣說：
It is highly necessary to join extracurricular activity in school.
Extracurricular activity is an absolute essential in shcool lives.
諺語：
Make yourself necessary to someone.
使自己成為別人需要的人。
17. I like taking part in extracurricular activity very much.
我非常喜歡參加課外活動。
還能這樣說：
I am keen on extracurricular activity.
I like extracurricular activity quite a lot.
應用解析：
take sb.'s fancy 占有某人的心；
take (the) first place 居首位，得第一；
take sb. at a disadvantage 乘人不備；乘人之危；
be taken ill 患病