Cover of the textbook Wider World 3 - Student's Book

The key answer of exercise 4

The key to exercise solutions in chapter Revision 6 for the textbook Wider World 3 - Student's Book with authors Carolyn Barraclough and Suzanne Gaynor from Pearson Education

Question

Choose the correct option.

Answer

  1. ought to
  2. must
  3. should
  4. don't have to
  5. mustn't