I. Choose the right alternative. 1. I washed / have washed my hands so that I can help you with the cooking. 2. She arrived / has arrived at Kennedy Airport at 2 o'clock this morning. 3. The Pharaohs ruled / has ruled Egypt for thousands of years. 4. I found / have found the letter you looked / were looking for. Here it is. 5. They grew / have grown such a lot since we last saw / has seen them. 6. We recently started / have recently started to walk to work instead of taking the bus. 7. When I was younger I played / had played badminton for my local team. 8. I have had / am having the pains for three weeks now. 9. So far it was / has been so cold that we stayed / have stayed in the house all day. 10. The last time I went / have gone to Brighton is / was in August. 11. Don't disturb Amy. She just went / has just gone to sleep. 12. Bill phones/ is phoning his girlfriend again. That's the third time he phoned / has phoned her this   evening. 13. Since the eruption started / has started, all the villages on the slopes of the volcano have evacuated/ have been evacuated. 14. The prices of houses increased / has increased dramatically in recent years. 15. Jim decided / has decided to continue the course, even though it is proved / was proving very difficult.