41.  They spending spare times to rehearse their programmes .

42.  Because of emerge of new technical , we should spent some time to adopt them.

43.  They need not spend time on find another job.

44.  We spend a little time on doing these things.

45.  We shouldn't spend less time on some things which must spend much time on it .

46.  If you spend little time in learning English, your English must be poor.

47.  But you know, CET is not a piece of cake anyone who don't spend time on English.

48.  Only with the result that I had done many problemes which I do know with wrong, and I had to spend time to correct them.

49.  You spend so much time in planning that you can't get the obtain .

50.  In fact, we should spend some time on study, spare time May be used enjoying, sleeping, making friends and so on .