Cover of the textbook Wider World 4 - Workbook

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

  1. used to discover → discovered
  2. used to start → started
  3. didn't used to → didn’t use to
  4. use to melt → used to melt
  5. used to recycled → used to recycle