The key answer of exercise 6
The key to exercise solutions in chapter 10.1 - Crowd-funding for the textbook Navigate Intermediate B1+ - Workbook with authors Edward Alden and Mike Sayer from Oxford University Press
Question
Read the sentences from a story about toothpaste. Complete them with the verb in brackets in the correct passive form.
Answer
- was invented
- was sold
- is made
- has been manufactured
- is used
- were introduced
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