短文填词（共10题，每小题1分,满分10分）

短文填词（共10题，每小题1分,满分10分）
People living in different countries made different kinds of words.
Today there are about fifteen hundred _________ in the world. 76.__________
Each contains many thousands of words. A very large dictionary,
for example, ________(含有) four or five hundred thousand words. 77.__________
But we do not need all these. To r_________short stories, we need 78.__________
to know only about two thousand words_______we leave school. 79 .__________
The words we know are ___________(称为) our vocabulary. 80. __________
We should try to make our vocabulary b______as we continue to study. 81._________
Read as many books as we can. There are a lot of books ________(写) 82. _________
in easy English. We will enjoy them. When we come _____ a new word, 83. _________
look it _________ in our dictionary. Our dictionary is 84. _________
our __________ (much) useful book. 85. _________