This passage has too many long sentences. I’m afraid they will be hard for most of the students. Could you help to _______ them?
Entering the room, I found Mary ______at the desk and _____a letter.
John received an invitation to dinner, and with his work______,he gladly accepted it.
______is known to us all is that the 2008 Olympic Games will take place in Beijing.
The computer system_____suddenly while he was searching for information on the Internet.
I think it is your brother who ______for your being late.