You can never imagine what great ________ we had _______ your school last time.
33. I cannot understand__________the boy alone.
32. Jenny_____________a rich man. She has_____________him for five years.
31. The chance I had been looking forward to_______at last.
30. Although I admire you_____your work on soil, I think you should apologize_______the villagers for being the water pollution.
29. He hurried to the booking office only__________that all the tickets had been sold out.