1.The dance will take place after the graduation ceremony.毕业典礼之后将举行舞会.2.They are going to hold a monument in memory of the men who offered their lives in defense of their country.他们将树碑纪念为保卫祖国而献身的人们.3.We arranged to meet at the cinema at 7.30,but he failed to turn up .我们约定7点30分在电影院见面,但他没来.