Odpowiedź :
Odpowiedź:
4.1 We mustn't enter the school building after school hours.
4.2 I never do any shopping when I can't pay by debt or credit card.
4.3 Where should I book a table for him?
4.4 She mustn't wear a jacket. It's warm outside.
4.5 Sam couldn't sing when he was 5.
Odpowiedź:
we mustn't, can't pay where I should, doesn't have to, can't sing