Dictionaries are_______useful books. People use dictionaries to_______out the meanings of words. _______you are learning English，you will use_______English dictionary. Some students have_______. Their dictionaries include Chinese and English words. They are useful，but it is usually_______to use a dictionary written completely_______English. This will_______you to think in English. A good English dictionary will show you the correct_______of a word and its pronunciation. Many dictionaries also show________a word is used in sentences.