Murphy, Unit 10, 10.1

1. He has been reading for two hours.
   He has read 53 pages so far.
2. She has been travelling for three month.
   She has visited 6 countries so far.
3. He has won the national championship four times.
   He has been playing tennis since he was ten.
4. They have made five films since they left college.
   They have been making films since they left college.