I think middle school students can keep pets because pets are our best friends. They can help the students feel less lonely and make them happy. They can also make the students be more responsibility because when they take care of their pets, they feel they are needed. Although students are busy with their study, pets are good for them to grow up healthily. So It is worthy to take time to look after pets.
I think middle school students can keep pets.Firstly,as everyone knows,middle school students have many homework,they can reduce pressure by keep pets.Secondly,generally speaking,the man who keep pets have tender feelings.Thirdly,nowadays,as the development of society ,more and more family have only one kid ,if the student keep pets they'll not feel too lonely.In a word ,student can keep pets!
应该还有别的什么条件吧