A B C D E F G H I What country does the teacher come from? previous next What subjects does he teach? previous next Why has working earlier been difficult? previous next What does the student have to prepare today? previous next What subject is she studying? previous next Who has she interviewed for her classes? previous next How long has the dentist had her own clinic? previous next Who did she open the clinic with? previous next What did she have to organise at the beginning? previous next