Barack Obama was very happy when many supporters voted ________ him.
Even on a cold day he prefers ______ out to play football ______at home.
It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment.
—The railway station,please.I have to be there in ten minutes. —______,but I’ll do my best.
-----May I serve your dishes, sir? -----_____________.
Though_______ came that he was completely defeated, he didn’t lose________.