с английским, надо соединить предложения со словом в конце ​

Read the sentences and choose the option, a or b, which has the same meaning.

1 My little brother mustn't walk to school on his own. He's only six years old.

b He is not allowed to walk to school on his own.

2 We don't have to finish our English project tonight.

a It is not necessary to finish the project tonight, but you can if you want to.

3 You mustn't eat food during the lesson.

b You are not allowed to eat food during the lesson.

4 I have to study tonight because we have an important history test tomorrow.

b I must study tonight.