标签：话题作文 话题 英语写作指导
字数：1500字
提要： 1)the reasons for this are as follows. 2)the reason for this is obvious. 3)the reason for this is not far to seek. 4)the reason for this is that... 5)we have good reason to believe that... 例如： there are three reasons for the changes that have taken place in our life.firstly，people’s living standard has been greatly improved.secondly，most people are well paid， and ..