1.  Besides, they never care too much about their appearance so they are slovenly for most of the time.

2.  Because some of girls choose majors about natural sciences and some of boys choose majors about liberal arts, too.

3.  I was a student of natural sciences but it is too hard to get the high score.

4.  It's too radiant for people to think about the hardships behind it.

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

6.  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.

7.  About ten minutes later, it was too hard for him to bear.

8.  The hold over himself relaxed too, finally, and the next day it was very slack and he cried very easily at little things that were of no importance.

9.  They know everything that other students don't, and they can solve any problem which is far too difficult for others.

10.  After that, I did not care too much about her until I was shocked by all the stuff she stacked on the desk.