The key answer of exercise 5
The key to exercise solutions in chapter 7.2 - Grammar for the textbook Focus 2 - Workbook with authors Daniel Brayshaw and Bartosz Michalowski from Pearson Education
Question
Complete the text with the correct active or passive form of the verbs in brackets.
Answer
- were made
- didn't have
- gave
- was invented
- has been used
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