Question

1) We … be late for school. 2) He … concentrate in his last exam yesterday. 3) They are laughing at the film, so they … be afraid. 4) They … call you if they are going to be late. It’s only polite. 5) He … pass his exams if he wants to go to university.

Answer 1

Ответ:

1. We mustn't be late for school.
2. He couldn't concentrate in his last exam yesterday.
3. They shouldn't be afraid; they are laughing at the film.
4. They should call you if they are going to be late. It’s only polite.
5. He has to pass his exams if he wants to go to university.

Объяснение: