28.Mary felt__________from the outside world, since she lacked an Internet connection and couldn’t receive any e-mail.
When I attended a meeting in Beijing I ___ my old teacher’s house.
David will probably ___, but Martha must leave early.
Mr Anderson left for Colombia two months ago.That’s a pity. I wish___.
Bill and Betty travelled a long distance __their vacation.
In this way the work can be finished ___.