Present Perfect or Present Perfect Continuous?
 I. Choose the correct tense.
 1. Mr Smith has bought/has been buying a new house in the country.
 2. I have been helping/have helped my mother to clean up the neighborhood
 all week.
 3. My brother has been learning/has learnt English for two years now and he
 loves it.
 4. They have been painting/have painted twenty-five pictures.
 5. She has been wanting/has wanted to visit Cyprus for a very long time.
 6. He has been knowing/has known Mark for ages.
 7. We have just been making/have just made an agreement.
 8. People have been taking/have taken photos since 1851