21.  You know, like how many kilometers we make when we do seventy miles in the car?

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

23.  I got to know that he is a Shanghainese and a music enthusiast.

24.  Most of us knew that "Cultivation of Ideological Morality" was a course of no importance even before we entered the university.

25.  I know he's good, I just don't like the course.

26.  We are all bookworms who know nothing about outside world.

27.  I used to think so until that time when I knew the girl named Qing.

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

29.  However in fact I have never known about such kind of people, let alone their personalities.

30.  "But, you know, we are loaded with the pressure of low-rate employment.