21.  Therefore we can develop our other ablities .

22.  We have more time of our own.

23.  I should have time for study, have time for parctising the ture society's life , have time for rest and relaxing .

24.  We will not have time enough to study if we spend too much time and energy take up social activities .

25.  A student's energy is limited if he spend most of time, doing the job, he won't have time to study .

26.  Now, many people are so busy that they have no time to do some reading.

27.  You have more time to learn not only what you have to learn but also what you like to learn.

28.  Secondly, people have sufficient time to do something that they are interested in.

29.  Because of two-day weekends, we have enough time to relax after a week's tiring work .

30.  We have enough time to wash our clothes and take a bath.