A number of students ______ playing on the ground but I don't know what the exact number______.
—Who is the man over there? —He is an old friend of _________ .
—Do you know what time _________ in Shanghai tomorrow? —He will tell us as soon as he gets the ticket.
—Will you play basketball against Class 3 tomorrow? —Yes. ________ it snows.
—Why didn’t you answer my telephone yesterday? —Sorry. I _______ a bath.
—Will you please _______ the flowers?—Sorry. I won’t.