With so many people __________ by sending E-mails every day, it will become more and more important to have a good knowledge of the Internet.
—May I ask you something about the accident? —Sure. ___________!
Seeing the _____ dog, the little boy stood there with a _____ expression on his face.
Almost _______ of the students in this class wear glasses, that is, _______ of them.
Thewe recycle, the we waste.
He ____ a good idea at the meeting.