11.  For example, during the course of studying English, we must spend more time on reading and writing.

12.  If you want to study English well, you must spend much time on your practice.

13.  So we can not spend so much time to learn .

14.  A man can spend more time without eating than without drinking .

15.  They often spend much time in dancing, playing instead of studying hard.

16.  if you spend too much time on social activities, much time will be occupied which we should have used to study.

17.  We must spend more time on lessons.

18.  Therefore, It is suggested that we should plan our time well, for example, we May spend much time studying on the contrary .

19.  We can spend litle time, taking social activities .

20.  they spend much time in going to films, playing games and so on.