
Answer — Exercise 4
3B·Roadmap B1+ - Workbook
Question
Choose the correct option, a or b.
Answer
- a has been studying / b has read
- a have been doing / b have won
- a has predicted / b has been researching
- a has been travelling / b has visited

3B·Roadmap B1+ - Workbook
Question
Choose the correct option, a or b.
Answer