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下。八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...)例句:The reason why we have to grow trees is that they can provideus with fresh air.The reason why we have to grow trees is that they can supply freshair for us.我們必須種樹的原因是它們能供應我們新鮮的空氣。The more books we read, the more learned we bee.我們書讀愈多,我們愈有學問。十五、It is time + S + 過去式 (該是...的時候了)例句:It is time the authorities concerned took proper steps to solvethe traffic problems.該是有關當局采取適當?shù)拇胧﹣斫鉀Q交通問題的時候了。十九、It is conceivable that + 句子 (可想而知的)It is obvious that + 句子 (明顯的)It is apparent that + 句子 (顯然的)例句:It is conceivable that knowledge plays an important role in ourlife.可想而知,知識在我們的一生中扮演一個重要的角色。二十二、Since + S + 過去式,S + 現(xiàn)在完成式。二十四、be based on (以...為基礎)例句:The progress of the society is based on harmony.社會的進步是以和諧為基礎的。二十八、Get into the habit of + Ving= make it a rule to + V (養(yǎng)成...的習慣)We should get into the habit of keeping good hours.我們應該養(yǎng)成早睡早起的習慣。三十三、do good to (對...有益),do harm to (對...有害)例句:Reading does good to our 。4