51.  After a few days you May have done several experiment , you can use those instruments freely .

52.  Therefore, practice May lead to perfect .

53.  If we have chances, we May speak English with the man who learns English well.

54.  What we see and hear in our society might not all correct.

55.  For instance, they May read newspapers and magazines about current issues.

56.  For myself, I always look up for a part-time job during holidays or free times and sometimes I might take part in some activity organized by some charity associations.

57.  I May find a part-time job during the winter vacation.

58.  We May have the same result as we read many other kinds of books such as magazines.

59.  In other ways, they May join to some part-time jobs.

60.  We might get to know from viously kinds of way , such as mass media, society serves , social experiences and so on.