Looking good feeling good
a. is playing b. have played c. are playing d. play
5. the father as well as his three children skating on the frozen river every sunday afternoon in winter. （ 遼寧）
a. is going b. go c. goes d. are going
2) in the sentence, to become fit serves as an attributive, modifying the noun way. it’s also right to say the way of doing sth.
in my opinion, this is the best way to solve that problem. 在我看來，這是解決那個(gè)問題的最佳辦法。
i think the best way to protect the environment is to plant more trees. 我認(rèn)為保護(hù)環(huán)境的最佳辦法是多載樹。
贏得學(xué)校尊重的最好辦法就是努力學(xué)習(xí)、取得好成績(jī)。
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2. water helps keep your system clean. (page 58) 水有利于保持身體內(nèi)部系統(tǒng)的清潔
the verb keep here means ‘to make sb/sth stay in a particular state, place or condition’ (使保持某狀態(tài)或位置). it is often followed by a complex object structure, i.e. keep + object + object complement, the complement may be an adjective (phrase), a prepositional phrase, an adverb, a noun (phrase), an infinitive (phrase), a present participle (phrase), a past participle (phrase) and so on. for example:
can’t you keep the these children quiet? 難道你不能讓這些孩子保持安靜嗎？
he kept his hands in his pocket. 他雙手一直插在口袋里。
what have kept you away for so long? 什么事使你離開這么久？
we need to keep the matter a secret. 此事我們要保密。
he kept his eyes shut and stayed where he was. 他閉上眼睛，呆在原來的地方。
i shall keep you informed of what goes on here while you are away. 在你離開期間，我會(huì)不斷地把這里發(fā)生的事情告訴你的。
對(duì)不起讓你久等了。
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請(qǐng)讓窗戶關(guān)著，好嗎？
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ex.
1. john was so sleepy that he could hardly keep his eyes _________.
a. open b. to be opened c. to open d. opening
2. ––– mum, can i put the peaches in the cupboard?
––– no, dear. they don’t _______ well. put them in the fridge instead.
a. keep b. fit c. get d. need
3. ––– why did you come so late?
––– the bus was crowded. we _____ waiting for half an hour.