More than 100 workers _______ from the Wangjialing Coal Mine last year. A. saved B. are saved C. were saved
He has never been to America ___________?
Usually people in Japan and Korea _______ when they meet for the first time.
After having a class, there _____ some students _____ games happily.
—Could you tell me ______? —Sure, just five minutes ago.
We can’t visit the China space Museum because the price of the ticket is too ______.