The key answer of exercise 2
The key to exercise solutions in chapter Review and practice 10 for the textbook New Total English Advanced - Students' Book with authors JJ Wilson with Antonia Clare from Pearson Education
Question
Complete each sentence with a suitable past modal verb.
Answer
- can't have / mustn't have
- couldn't have
- might have been / could have been
- must have been
- must have / can't have / might have / should have
- must have been
- will have been