. Doors to English is a series of three practice books for beginners and pre-intermadiate students to improve their performance in learning English providing them with a large variety of exercises.. It improves students` exam performance helping them to form correct sentences and use them correctly.. New words are systematically revised through vvabulary pages.. Reading passages stimulate students to read and write.. All grammatical patterns and new words learned in units are revised in tests.. It also contains answer key for the tests.. It`s idael for eslf-study or classroom use.