A man _______ a hat is fishing on the sea.
Hurry up! Once the concert starts, nobody _______ to enter the concert hall.
Your dream will come true _______ you put your heart and soul into it.
—Could you please have a walk with me? —Sorry, I _______. I have something important to do now.
—Why are you in such a hurry, John? —There _______ an NBA basketball game in ten minutes.
—_______ will your father come back from Beijing? —In two days.