汉译英的改错？非常感谢了！

亲，是有道还是百度翻译的啊？第一句，normally改成normal，表语后面接形容词不是动词。 第二句，It may because they take more time in studying english.cost money，take time.第三句：I think there are the reasons as following:Firstly, maybe some of them are not fond of study. secondly, Chinese studying is a quite difficult job. last but not least, english study takes over them most of their time.
under this kind of situation, in my opinion,we should put chinese study to the first place for us the learn english better. but under the exam-oriented education system,it is really this simple?