Question

Exercise 1
Choose the correct option. (Escolha a opção correta)
1) (must/mustn't be late (atrasado) for school

2)We (must / mustn't) obey the rules (regras) to live in peace.

3)The students have to I don't have to) go to school on Sundays.

4) Dogs (can/can't) enter big stores (lojas)
.
5) You (can/ must have a passport when you travel to the United States​

Answer 1

1) mustn't

2) must

3) don't have to

4) can't

5) must