答：join,join in和take part in
1)加入某黨派、某組織或某社會(huì)團(tuán)體,用join,不可用join in.如：
①He will never forget the day when he joined the Party.
他永遠(yuǎn)也忘不了他入黨的那一天.
②His brother joined the army three years ago.
他哥哥是三年前參軍的.
join還可解釋為“連接”.如：
①The railway joined the two cities.
鐵路把兩個(gè)城市連接起來了.
②The two clauses are joined by a conjunction.
兩個(gè)分句由一個(gè)連詞連接起來.
2)說參加某種活動(dòng)用join in,如說“與其人一起做某事”,則用join sb.in sth./ doing sth..如：
①M(fèi)ay I join in the game?我可以參加這個(gè)游戲嗎?
②Come and join us in the discussion.來和我們一起討論吧!
③We are having supper now.Would you like to join us?
我們正在吃晚飯,你也來和我們一起吃好嗎?
join in多指參加小規(guī)模的活動(dòng)如“球賽、游戲”等,常用于日?？谡Z.如：
①Come along,and join in the ball game.快,來參加球賽.
②Why didn't you join in the talk last night?昨晚你為什么沒參加座談?
3)take part in參加(群眾性活動(dòng)、會(huì)議等),往往指參加者持積極態(tài)度．起一份作用.如：
①A great number of students took part in May 4 Movement.
大批學(xué)生參加了五四運(yùn)動(dòng).
②We are going to have an English evening.Do you want to take part?
我們準(zhǔn)備舉辦一個(gè)英語晚會(huì),你想?yún)⒓訂?
③How many of you are going to take part?
你們多少人準(zhǔn)備參加?
④All the students took an active part in the thorough cleaning.
所有的學(xué)生都積極參加了大掃除.
【注意】take part in是慣用詞組,part前一般不用冠詞,但part前有形容詞修飾時(shí),要用不定冠詞.如：
Lincoln took an active part in polities and was strongly against slavery.
林肯積極參加政治活動(dòng),強(qiáng)烈反對奴隸制.
enjoy--get pleasure from;take delight in.
“享受...之樂趣；樂于”.例如：
I've enjoyed talking to you about old times.
我很高興曾經(jīng)和你敘舊.
like(vt.vi.)--be fond of;have a taste for;
find satisfactory or agreeable.“喜歡；喜愛；愛好”
例如：Do you like fish?你喜歡魚嗎?
I like to read in bed but I don't like having
meals in bed.
我喜歡躺在床上看書,但我不喜歡在床上吃飯.
at the end of“在……末端（盡頭）；在……末（底）”可表示時(shí)間,也可表示地點(diǎn).后面可以跟名詞或相當(dāng)于名詞的詞.在句中作時(shí)間狀語,可以放在句子開頭,也可以放在句子末尾.
例如：There is a post office at the end of the road.
在路的盡頭有一家郵局.
At the end of last week,we had a class meeting.
到上個(gè)星期末,我們開了一次班會(huì).
at last=in the end=finally“最后；終于”,后面不接任何單詞,在句中作時(shí)間狀語,一般放在句子開頭.
例如：At last/Finally,they won the football match.
他們終于贏了這場足球比賽.
We walked three hours.At last/In the end,we got to the park.
我們走了三個(gè)小時(shí).最后我們終于到達(dá)了公園.
及物動(dòng)詞 vt.
1.出席,參加
He did not attend the meeting yesterday.
昨天他沒有參加會(huì)議.
2.上(大學(xué)等),前往
The school was attended almost entirely by local children.
上這個(gè)學(xué)校讀書的幾乎全是當(dāng)?shù)氐暮⒆?
3.照料;護(hù)理;侍候
There was no one to attend him but Tina.
除了蒂娜,再無人照顧他了.
4.伴隨,帶有
5.陪同,護(hù)送
不及物動(dòng)詞 vi.
1.出席,參加[(+at)]
2.照料,處理[(+to)]
I'll attend to the matter.
我來處理此事.
3.護(hù)理;侍候[(+on/upon)]
4.注意,傾聽;致力(于)[(+to)]
She didn't attend to what I was saying.
她并不注意聽我所說的話.
attend主要用于參加比較重要的場合與會(huì)議