You will hear five short extracts in which people are talking about what makes a good teacher. For questions 19-23, choose from the list (A-H) what each speaker says a good teacher should do. Use the letters only once. There are three extra letters which you do not need to use.
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A. set an example of hard work В. keep up-to-date with the latest ideas C. give information on individual progress D. be available outside class time E. give a lot of encouragement F. have an entertaining approach G. set a realistic amount of homework H. have good qualifications