1.the reasono of your errors is because you are carefuiless and impatient
2.this is why i writed to you
3.He suffers from heart diaease,which is because he smokes a lot
4.My advice is that goverment should use law to stop smoking
5.The fact that smoke is bad for health
6.It is a pity that you didnt listen to the lecture yesterday還有兩句：
據(jù)報(bào)道中國(guó)30%的手機(jī)用戶是青少年
要緊的是我們應(yīng)呼吁公眾多種植樹以保護(hù)環(huán)境It is said that 30 precent of phone users are teenagers
The most important thing is that we should appeal the public to plant more trees to pretect the environment