What must a class representative and a treasurer be like? Complete the text with modals.
A class representative be responsible and open‑minded and he / she be attentive. He / she be afraid to speak to adults and he / she be too demanding.
A student council treasurer be very organised and reliable. He be late for meetings as his presence is key. He always keep track of spendings. Of course, he also very good at maths!
▪ Obligation: must ≠ interdiction: mustn’t ▪ Advice: should or shouldn’t