. Why are your hands so dirty? -I ...... my bike. A. Repaired B. Have repaired C. Have been repairing D. Has been repairing 2. We ...... around Scotland for 8 days. A. Traveled B. Have traveled C. Have beentravelling  D. Has been travelling 3. Steve has been driving for 6 hours. A. But he's having a barbeque at the moment  B. In 2 hours he's going to reach Vermont. 4. I have been trying to contact him ........ A. But  to not avail B. Fortunately he picked up the phone. 8. The balloon has been soaring 100 meters above us for2 hours. A. Why can't they land at last? B. But they have landed 2 minutes ago. 9. Who has been eating my chocolate bar? A. Soon I will have none left. B. There are none left. 10. She has been tidying up her office, hasn't she? A. Yes, she has tidied itup already B. Yes, she has C. No, she isn't