My brother is always warning me when I go out, “Don’t get off the bus ________it is stopping.’’
This new-type machine____________ little room.
--You don't look so well, Mary. What's the matter with you?--Why?___________.
China has hundreds of islands, ___________ is Taiwan Island.
You must have waited here for a long time ,___________you?
I don't remember___________ to the airport that year.