1. George is on holiday. He …to Barbados. b. has gone
2. Everything is going well. We …any problems so far. c. haven't had
3. Nelly has lost her passport again. It's the second time this… a. has happened
4. You're out of breath. ….? c. Have you been running
5. Where's the letter I gave you? What …with it? a. have you done