40. I really appreciate ____to relax with you on this nice island.　　

A．to have had time　　 　B. having time　 　C. to have time　 　D.to having time

39. He hesitated for a moment before kicking the ball, otherwise he _______ a goal.

A. had scored　　　　　　　　　　　B. scored

C. would score　　　　　　　　　　D. would have scored

38. On Sundays, there were lots of children in the park, ________parents sitting together joking.

A. their　　 B. whose　　 C. which　　　 D. that

37. David is such a good boy ________all the teachers like him.

A. like　　　 B. that　　　 C. which　　 D. as