điền động từ thích hợp vào câu

1. I saw that programme about telepathy last night. 2. He came back from Uganda a week ago. 3. Last week, he phoned me to inform me about the matter. 4. He has traveled a lot recently. 5. Claire had an appointment at the hairdresser's yesterday. 6. He's the most difficult customer I have ever had to deal with. 7. Sales rose in 2001, but then fell again in 2002. 8. We signed a binding contract last year which is still valid. 9. I feel really tired. I have just finished my homework. 10. Look at George! He has had a haircut.