1.  We all kept in silence.

2.  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.

3.  I do not know how the campus keeps away from the noisy city but it really does it well.

4.  I cannot understand why you keep talking to me in English.

5.  "\

6.  They keep earnest all the time in class.

7.  The bright summer sun is shining fiercely while cicadas hid in the trees and kept singing endlessly.

8.  Nevertheless, take me as a counterexample, I am not good at maths, whereas I keep a critical mind and good comprehension.

9.  She must know how beautiful she was, since she kept looking into the mirror, appreciating herself from different angles.

10.  However, my eyes could not keep off her back.