— I’ve told Nancy many times about the meeting, but she still forgot it!— I understand. Actually, anyone ______ be very forgetful at times.
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?
Nearly________ of the surface of our planet is covered by water.