The key answer of exercise 2
The key to exercise solutions in chapter 6B - The passive for the textbook Solutions Upper-Intermediate - Workbook with authors Tim Falla and Paul A. Davies from Oxford University Press
Question
Complete the sentences with the correct passive form of the verbs in brackets.
Answer
- have been prescribed
- hadn’t been invented
- will be developed
- were infected
- are being discovered
- weren’t used