完形填空。 A good dictionary is __ 1 __ important tool. It will tell you __ 2 __ only what a word means but how it uses . A dictionary needs to be printed again about every ten years. Languages develop and a good dictionary must __ 3 __ these new changes. A new English dictionary will only tell you __ 4 __ most people use the language today. It will not tell you what is right __ 5 __ wrong. It may tell you the right time to use a word. If only __ 6 __ people use a word, a dictionary will __ 7 __ tell you this or not list (编列) it. Every dictionary will tell you many interesting facts. If you type a word and the word is too long, __ 8 __  in your dictionary. All dictionaries show you __ 9 __ to break (拆开) a word. And they also show you how a word __ 10 __. Every dictionary , of course, tells you what a word means. But some words, like ' get' or ' take', may have dozens of meanings. In some dictionaries , the main meanings are often listed first. In __ 11 __,  the newest meanings are listed last. So before you use your dictionary, you should always __ 12 __ the front part. This part explains __1 3 __. Some dictionaries also show you where a word comes from. . Do you know that the word ' brand' comes from an old word? This old word means ' to burn'. This is because __ 14 __ 18 years ago people burned their names on tables or boats to show who __ 15 __ them. They also burned their own names on their farm animals __ 16 __ they would not be stolen. Your dictionary also has a lot of other interesting facts in it. After you have learned to use a dictionary , it can become your most useful book (     ) 1. A. a (     ) 2. A. no (     ) 3. A. to show (     ) 4. A. how (     ) 5. A. and (     ) 6. A. a little (     ) 7. A. neither (     ) 8. A. look up it (     ) 9. A. when (     ) 10. A. speaks (     ) 11. A. another (     ) 12. A. see (     ) 13. A. how use it (     ) 14. A. hundreds of (     ) 15. A. builds (     ) 16. A. when B. an B. that B. show B. what B. or B. many B. nor B. look for it B. where B. is spoke B. the other B. look B. to how use it B. hundred of B. makes B. in order C. the C. not C. shows C. why C. but C. a few C. both C. look it up C. why C. be spoken C. others C. watch C. how to use it C. a hundred of C. build C. so that D. very D. if D. be shown D. if D. not D. a lot of D. either D. look it out D. which D. is spoken D. other D. read D. to how to use it D. hundred D. made D. before