Изберите подходящий модальный глагол в скобках. You (can/ neednt/ must) study

Изберите подходящий модальный глагол в скобках. You (can/ neednt/ must) study hard to pass the exams. (Neednt/ Can/ Have to) I use your pen? Im sorry, but you (must/ neednt/ cant) use the fax. Its broken. (Can/ May/ Must) you print this text for me? You (must/ dont have to/ may) listen to your teacher. We (may/ mustnt/ had to) call for a doctor when aunt Lucy felt unwell yesterday. You (dont have to/ must/ may) take a taxi. Ill drive you home.