問題詳情：
People 41 (live) in different countries made different kinds of words. Today there are about fifteen hundred languages 42 the world. Each contains many thousands of words. A very large dictionary, for example, contains four 43 five hundred thousand words. But we do not need 44 these. To read short stories you need to know only about two thousand words. 45 you leave school, you will learn only one thousand or more. The words you know are called your vocabulary. You should try to make your vocabulary 46 (big). Read as many books as we can. There are a lot of books 47 (write) in easy English. You will enjoy them. When you meet 48 new word, look it 49 in your dictionary. Your dictionary is your 50 (much) useful book.
【回答】
41 living42 in 43 or/to 44 all 45 Before 46 bigger 47 written 48 a 49 up 50 most
知識點：語法填空
題型：未分類
