题目内容
People living in different countries made different kinds of words. Today there 16 (be) about fifteen hundred 17 (language) in the world. Each contains many thousands of words. A very large dictionary, for example, contains four 18 five hundred thousand words. But we do not need 19 these. To read short stories you need to know only about two thousand words. Before you leave school, you will have learned only one thousand or more.
The words 20 you know are called your vocabulary(词汇). You should try to make your vocabulary 21 (big). Read as many books as you can. There are a lot of books 22 (write) in easy English. You will enjoy them. When you meet 23 new word, look it 24 in your dictionary. Your dictionary is your most 25 (use) book.