Make questions with the present perfect simple or present perfect continuous. Both forms may be possible.
1. Rob is on the phone at the moment. How many phone calls / he make?
2. Beth is an actress in New York. How long / she / work / as an actress?
3. Pam is listening to some CDs at the moment. How many CDs / she / listen to?
4. They're leaving St. Peterburg today. How long / they / be there?
5. Clare borrowed my new Eminem CD. How long / she / have it?
6. Helen has bought another computer game. How many computer games / she / buy recently?