1. Do as the Romans do.入乡随俗. 2.Actions speak louder than words.事实胜于雄辩. 3.A friend in need is a friend indeed.患难见真情. 4.A good beginning is half done.良好的开端是成功的一半. 5.All roads lead to Rome.条条大路通罗马. 定语从句：1．I like the book which/that he bought for me.我喜欢他给我买的那本书2.He is my friend whose father is our headmaster.他是我的朋友,他爸爸是我们的校长3.She is the girl whom I'm looking for.她就是我正在找的那个女孩4．This is the factory which/that he visited last week.这是他上个星期参观的那家工厂5．It is a beautiful song which/that is sung by a famous singer.这是一首非常好听的歌,是由一位著名歌星演唱的