31.  I have been in senior high school for about a month.

32.  I think June is one of the best months in a year.

33.  But many months went by and no one visited the island.

34.  In fact, my birthday had past for several months.

35.  ct.26 Saturday Sunny Half a month ago, Miss Lin and Mr Yang came.

36.  After half a month, they left us.

37.  Several months ago, we had been trained as a soldier.

38.  Keep doing this, several months later, you'll find you can read an article more fluently.

39.  And It takes the moon a month to cirle the earth once.

40.  They get the job in this company for one year and worked in another factory for several months.