May 12th,2008 is a special day,___, I think,that will be remembered by the Chinese forever.
I’m sorry, _________ I won’t be able to come tonight.
When the last prize had been awarded _________ everybody cleared off.
“Is John coming by train?” “He should, but he _________ not. He likes driving his car.”
You _________ pay too much attention to your reading skill, as it is so important.
You _________ be right, but I don’t think you are.