I don’t remember how many years ago _______I last showed you around the farm.
33.—Tom hasn't finished what he was saying. —He______.I already know what he has in mind.
32.______in the study lost in thought for a long time, I suddenly realized that nothing in the world remains .
31. It was really a wonderful match. If only I__________it again.
29. The sandstorm_________ for several days,which left a terrible sight across the west.
28.Mary felt__________from the outside world, since she lacked an Internet connection and couldn’t receive any e-mail.