11.  To make their life better, our university provides many chances for them to do part-time jobs and give them some money as rewards.

12.  I have ever asked my classmates some questions like if they are willing to work for the canteen to collect the dishes and plates.

13.  Some students are not willing to do dirty jobs, while some others just say that they do not need to think even a little about jobs.

14.  In class, they take notes carefully; in break time, they begin to remember new words; in the evening, they keep on practicing listening and doing some exercises.

15.  When all the plans have been finished, they watch some episodes in English---still about English.

16.  I feel too ashamed to make some comments on their behaviors because I can't be so concentrated as them.

17.  Her specific identity that was generally accepted as less intelligent magnified her efforts which absolutely were even less than some white men.

18.  Of course, the bias seems to be reasonable to some extent.

19.  Some students from departments of Physics, Mathematics, and Chemistry are too concentrated and devoted to the experiments and calculations that they barely forget the world around them besides laboratories and classrooms.

20.  People usually add some subjective ideas to impressions on others, which happens in our campus, according to my observation, almost everyday.