Translate the following sentences into English.1）昨天讨论的问题十分重要。2）他是一个举止得体的人。3）已经养成的习惯很难改变。4）学生会主席宣读了一份预先准备好的声明。5）支撑终身学习体系的关键问题之一是提供优质职业教育。6）他得在规定的时间内做出决定。7）我们将在下次会议上讨论他提出的计划。8）你去看过你家乡那座无名英雄纪念碑吗？

The issue that was discussed yesterday is very important.He is a person with proper behavior.Habits that have been developed are difficult to change.The president of the Student Union read out a statement that had been prepared ahead.One of the key issues that support a lifelong learning system is providing high- quality vocational education.He has to make a decision within the specified time.We will discuss the plan that is proposed by him at the next meeting.Have you visited the Monument to the Unknown Heroes in your hometown?