Cover of the textbook Roadmap B1+ - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter 3B for the textbook Roadmap B1+ - Workbook with authors Anna Osborn and Rebecca Adlard from Pearson Education

Question

Choose the correct option, a or b.

Answer

  1. a has been studying / b has read
  2. a have been doing / b have won
  3. a has predicted / b has been researching
  4. a has been travelling / b has visited