阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空，并将答案填写在答题卡上标号的相应位置。

(3)

    people _____1___ (live) in different countries made different kinds of words. today there are about fifteen hundred _____2_____ in the world. each contains many thousands of words. a very large dictionary, for example, contains four ___3___ five hundred thousand words. but we do not need ____4____ these. to read short stories you need to know only about two thousand words. ____5_____ 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 ______6___ (big). read as many books as we can. there are a lot of books _____7____ (write) in easy english. you will enjoy them. when you meet _____8____ new word, look it ____9_____ in your dictionary. your dictionary is your _____10_____ (much) useful book.

    参考答案：(3)  

    1 living  2 languages  3 or  4 all  5 before 

    6 bigger  7 written  8 a  9 up  10 most