- Doors to English is a series of three practice books for beginners and pre-intermediate 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 vocabulary pages. - Reading passages stimulate students to read and write. - All grammatical patterns and new words learned in units are revised in tests. - It also

- Doors to English is a series of three practice books for beginners and pre-intermediate 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 vocabulary pages. - Reading passages stimulate students to read and write. - All grammatical patterns and new words learned in units are revised in tests. - It also