Cover of the textbook Wider World 3 - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter 6.7 - English in use for the textbook Wider World 3 - Workbook with authors Sheila Dignen from Pearson Education

Question

Add a comma if necessary.

Answer

  1. ✓
  2. ✓
  3. While we're waiting, we'll have a sandwich.
  4. ✓
  5. ✓