In many countries schools have severe problems with the student behavior. what do you think are the causes of this? What solutions can you suggest?
The plural form of be are does not seem to agree with the singular subject tremendous violent content. Consider changing the verb form.
It appears that you are missing a comma after the introductory phrase through mobile phones. Consider adding a comma.
It seems that preposition use may be incorrect here.
The word intenet is not in our dictionary. If you’re sure this spelling is correct, you can add it to your personal dictionary to prevent future alerts.
Don’t put your opinion unless you are asked to give it.
If the question asks what you think, you MUST give your opinion to get a good score.
Don’t leave your opinion until the conclusion.
Here are examples of instructions that require you to give your opinion:
...do you agree or disagree?...do you think...?...your opinion...?
Unauthorized use and/or duplication of this material without express and written permission from this site’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Writing9 with appropriate and specific direction to the original content.