Nowadays， there are more and more _____ in _____. It is estimated that ___. Why have there been so many ____? Maybe the reasons can be listed as follows.
The first one is ______. Besides，_____. The third one is _____. To sum up， the main cause of it is due to _____. It is high time that something were done upon it. For one thing，_____. For another thing， _____. All these measures will certainly reduce the number of _____
I am writing to tell you that there will be a _______ (内容) at/in ______(地点) on the _____ (时间). We would be honored/delighted to have you there with us.
I would appreciate it if you could participate in it. If you are able to come, please let me know in advance. My phone number is ________. I really hope you can make it. Looking forward to your arrival!
These days we often hear that (提出论题). It is common that ( 说明现状 ). Why does such circumstance occur in spite of social protects? For one thing ,( 理由一 ). For another,( 理由二 ). What is more, since (理由三),it is natural that (理由三引起的后果 ). To solve the problem is not easy at all ,but is worth trying .We should do something such as ( 解决方法 ) to improve he present situation ,and i do believe everything will be better in the future .
一、Recently, the problem of … has aroused people’s concern.
二、The Internet has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.
三、Nowadays, (overpopulation) has become a problem we have to face.
四、It is commonly believed that … / It is a common belief that …
五、Many people insist that …