[即学即练] 写出下列句中work out 的含义
①I hope that the new project will work out well. 进展
②He used to work out in the morning everyday. 锻炼身体
③You can work out the answer by adding all the number. 计算出
④The plot is so complicated,and it will take you a while to work it out. 理解
⑤UN negotiators have worked out a set of compromise proposal. 拟订出