I 'm a student in senior two .I think of my parents should 第1行到这里

I 'm a student in senior two .I think of my parents should 第1行到这里
错在那里呢?
buy me a computer now .as we know .in 1990s .computers 第二行到这里,became useful ,and it will be used more and more in our daily life 第三行到这里 ,however .computers are also helpful in our English learning 第四行到这里 ,there is a lot of software what can be used .I don 't see anything 第五行到这里.错在哪里呢？