Choose the correct answer

1) I have guitar lessons ... .

2) Dolphins ... in the water.
3) I ... George last week. 4) She ... an hour ago. 5) ... you meet your friends often? 6) Be quiet! We ... to listen to the teacher. 7) What ... you do last weekend? 8) Does John ... at the university? 9) When ... Walt Disney die? 10) The boys ... working on the project now.