1.第二段第一行,加was：when I was teaching him a course named E-commerce
2.need加s：It needs smart intelligence and strong perseverance.(smart用来修饰intelligence合适吗?)
3.In my view,Mr.Sun has two aspects above.这句话要表达的意思是什么?孙先生有以上两个方面?什么方面?上面也没说
4.Mr.Sun can solve problems which he encountered quickly.
5.on the Internet.
6.Does he have some solutions to terminate all the ads on the Internet.
7.Mr.Sun thought he could make it.
8.he sent me a prototype which can prevent all ads.(prevent from中间是人,prevent sb from)
9.has same function of prevent ads.
10.All you need to do is just collect papers and send them to the software.