The key answer of exercise 5
The key to exercise solutions in chapter 2.4 - Grammar for the textbook Wider World 4 - Workbook with authors Damian Williams from Pearson Education
Question
Find and correct five mistakes in the text.
Answer
- used to discover → discovered
- used to start → started
- didn't used to → didn’t use to
- use to melt → used to melt
- used to recycled → used to recycle
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