will make the world more beautiful. Р16. not…until Р直到他告诉我发生的事,我才了解真相。РI didn’t know the truth until she told me what happened. Р17. as if Р他夸夸其谈好像什么事都知道。РHe talks a lot as if he knows everything. Р18. It is no use (good) doing…Р假装不懂规则是行不通的。РIt’s no use pretending that you didn’t know the rules. Р19. find it + adj to do…Р我觉得作听力时有必要作笔记。РI find it necessary to take down notes while listening. Р20. It is + time since…Р我已经有两年没见他了。РIt is two years since I last met him. Р21. It is + time when…Р我到电影院时已经八点钟了。РIt was 8 o’clock when I got to the cinema. Р22. It is + time before…Р不久我们就会再见面的。РI won’t be long before we can meet again. Р23. It is…that…Р我最珍视的是友谊。РIt is friendship that I value most. Р24. It is + n / adj + that / to do…Р每个人都必须懂得如何使用计算机РIt is a must that everybody should know how to puters.