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二十五、 Spare no effort to + V (不遺余力的) 例句: We should spare no effort to beautify our environment. 我們應(yīng)該不遺余力的美化我們的環(huán)境。) 例句: It pays to help others. 幫助別人是值得的。 例句: Since he went to senior high school, he has worked very hard. 自從他上高中, 他一直很用功。 二十一、 For the past + 時(shí)間, S + 現(xiàn)在完成式 ...(過去 ...年來, ...一直 ...) 例句: For the past two years, I have been busy preparing for the examination. 過去兩年來,我一直忙著準(zhǔn)備考試。 二十、 That is the reason why ~~~ (那就是 ...的原因) 例句: Summer is sultry. That is the reason why I don’t like it. 夏天很燠熱。 十八、 be + forced/pelled/obliged + to + V (不得不 ...) 例句: Since the examination is around the corner, I am pelled to give up doing sports. 既然考試迫在眉睫,我不得不放棄做運(yùn)動(dòng)。 十六、 Those who ~~~ ( ...的人 ...) 例句: Those who violate traffic regulations should be punished.