Standing on the platform, Professor Li kept silent for a moment, on the audience below.
Nobody but doctors or nurses and those____ by Dr.Hu ____ to enter the patient’s room.
They _____ on the program for almost one week before I joined them, and now, we ____on it as no good results have come out so far.
Lacking rain, many river in Yunnan province have ______ recently.
A few years ago, My Heart Will Go On was a popular song among young people, ______ were often heard singing it at parties.
Stand over there ___ you’ll be able to see the oil painting better.