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at he does not enjoy doing, he cannot be happy. 4) 不論他怎么說 ,我也不相信他 Whatever he says, I won39。 I was very tired / exhausted when you came to see me, for I had been working the whole day. 8) 隨著研究技術(shù)變得更加先進(jìn) ,用于實(shí)驗(yàn)的動物數(shù)量將會大大減少。 I had broken my glasses ( ,) so I couldn39。 I prefer to live in the country in that the air pollution there is less serious. 2. 名詞從句 2) 不用說 ,我們現(xiàn)在已不是生活在傳統(tǒng)社會。 How they had pleted the construction in time / as planned remained / is still a mystery. 5) 他能否按時(shí)到達(dá) ,現(xiàn)在還不得而知。 Scientists are studying why daydreaming is beneficial/conducive to people39。 I wonder if he can provide positive proof. 12) 愛因斯坦聲稱物質(zhì)和能量是可以相互轉(zhuǎn)化的 ,因此沒有絕對的時(shí)間和