题目内容：

Dictionaries are very useful books. People use dictionaries to     the meanings of words.  If you are learning English, you would use an English dictionary. Some students have dictionaries. Their dictionaries contain Chinese and English words. They are useful, but it is usually     to use a dictionary written completely     English. This will         you to begin to think in English. A good English dictionary will show you the correct spellings of a word and its pronunciation. Many dictionaries also show     a word is used in sentences.

1.A. find         B. find out         C. look for

2. A. good          B. well              C. better

3. A. with           B. about             C. in

4.A. make         B. let               C. help

5.A. when         B. why              C. how