Respuesta:
1) Carl was not standing outside the museum
2) Was Steve running down the street?
3) The are waiting for Steve at the entrance
4) Sara and Rosie are having lunch together
5) Anita was not eating lunch with them
6) What was Dominic doing?
7) He is sending a text on his mobile phone
8) What are you holding?
9) I am holding my ticket
10) He is taking everything out of the desk drawer
