中译英,1：他们朋友举行的音乐会大为成功2：男孩带着满意的表情举目而视3：图书馆关门了4：这本书很有趣,我对它很感兴趣5

They held a concert was successful friends2:boy with eyes and visual expression of satisfaction3:the library was closed4:this book is very interesting,I am interested in it5:his spoken English is great,but written English6:because of the threat from floods,the villagers to government proposed building a dam in the town of advice7：Their proposal was turned down8:government departments that build so no significance of dam (you sense)