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ou. = I’ll try my best to help you. : do everything/ all (that) one can/ could to do sth. = do what one can/ could to do sth. = do/ try one’s best to do sth. 做一個(gè)人所能做的來干某事”的表達(dá)方式: Apologize when (it is) necessary. He said sorry to me for his ing late. =He made an apology to me for his ing late. eg. He apologized to me for his ing late. apologize to sb. for sth./ doing sth. = make an apology (apologies) to sb. for sth./ doing sth. say sorry to sb. Language points for the first time與 the first time for the first time the first time 第一次 ,首次 .用作狀語 . 第一次 ,首次 .名詞詞組用作連詞 . 他們第一次到我們學(xué)校來參觀 . 我記得第一次見你時(shí) ,我講了很多話 . They came to visit our school for the first time. I remember the first time I saw you I did most of talking. ? 1. (every) now and then ? 偶爾 , 有時(shí) ? . ?(表示抗議,警告,引起注意) ?喂,你在搞什么鬼? ?. Now then what on earth are you up to? ? ?通常用于口語句首 , 用來引起一個(gè)新的話題 , 意為 “ 喂 , 好了 ” ?now then ?I got to the theatre now and then. ?I don’t think about my old house very much, only every now and then. ? 2. itch n. amp。 vi. ? 癢 (前接定冠詞或不定冠詞 ) , ? 渴望 ( 前常接不定冠詞和物主代詞 ) ? itching ? adj. 癢的 , 渴望的 ? have itching ears ? 愛聽新奇的事 ? have an itch for/to do ? 渴望 .Should you feel the urge to pack your bags and explore what the world has to offer, you may want to consider one of the destinations below. = If you should feel the urge to back your bags… should+主語 +謂語 +… should 表示“萬一、 如果”在正式場合,可將 should置于句首而省略 if. Should you change your mind, do let me know. Should he know the truth, he would be greatly disappointed. Should it rain tomorrow, the meeting would be put off. Should you have any difficulty in getting tickets, ring this number. Should you be interested, I have a book on the subject you might