21.  In the ancient times, apart in different circumstances and surroundings of several continents, without transparent for communicating frequently, people divided themselves into some groups for the same roles and habits.

22.  We can memorize lists of words-the sorted marrow frequently, and read some classical English materials, which should be linked to the memorized words closely.

23.  On one hand, words from a book are usually whose who are frequently used, which means they are the you-must-know words.

24.  Meanwhile, the defect of this method is that you may learn some words we don't use frequently and you may miss some words we must master in tests.

25.  After finding what appear frequently, we gradually become aware of what is the most authentic and common use.

26.  After they departed, they talked on telephone more frequently.

27.  In the process of translating however, words can frequently be improperly used and it would be a waste of time in conversation.

28.  So we need to use these words in our daily life, we hope we are able to speak these words out and write them down after all the English examinations, which is very frequently before we graduate from school.

29.  Lists of test words don't tell you how frequently a word is used, while books and other reading materials do.

30.  Other the \