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o learn English well. 我發(fā)覺學好英語是很有用的。21. It is good (nice)of+賓格+to do sthIt is very good of you to teach me English. 你教我英語真是太好了。s bad for you to spit on the ground.26. be busy doing “忙著做” They are busy getting ready for the party. 他們正忙著為聚會作準備。他喜歡坐火車旅行,而不喜歡坐公共汽車旅行。32. be proud of …結(jié)構(gòu) “對…感到自豪驕傲” We are proud of what you39。34. have fun doing sth. “做某事很愉快” Did you have great fun spending your vacation in the countryside?你是不是在鄉(xiāng)村度過了一個非常愉快的假期?35. We can use… to… “我們可以使用…去做…” We can use the Internet to exchange information with other people in no time.我們可以通過因特網(wǎng)迅速地和別人交換信息。38. I am greatly convinced that “我深信” I am greatly convinced that prevention is better than cure. 我深信預防勝于治療。40. … cannot be overemphasized “…無論如何強調(diào)都不為過” The importance of traffic safety cannot be overemphasized交通安全的重要性無論如何強調(diào)都不為過。42. There is no doubt that “毫無疑問地” There is no doubt that nearsightedness is a serious problem among the youth of our country.毫無疑問地184。44. With the advance of science and technology… “隨著科技的進步…” With the rapid development of economy, a lot of social problems have e to pass.隨著經(jīng)濟的快速發(fā)展184。打電動玩具既花費時間也有害健康。E. My point of view is that …My point of view is that using puters has both advantages and disadvantages.我的觀點是使用電腦既有優(yōu)點也有缺點。Aren39。 Fire! 著火啦!Good heavens! 天哪!Listen! 聽!Look! 看!。t she sing well! 她唱得真好!陳述句形式:陳述句只要改變原來的語調(diào),即可構(gòu)成感嘆句。G.