1. With the computer used widely, the Internet is becoming a competitive m______.
2. “I can’t t______ your bad manners any longer,” said the man angrily.
3. The careless man completely i______ all these facts as though they never existed.
4. The headmaster ______ (通知) us that the school would be closed for one day.
5. Is the information you got from the Internet ______ (可靠的)?
