Obama was elected ____ first black president of the United States four years ago and has been elected _____ president again for the next four years.
He has ______ lung cancer for several years and is never _______ pain.
We have ________ in your bill the cost of the teapot you broke just now.
His mother doesn’t ________ of her going to study in the United States alone.
I refuse to accept the blame for something _____ was someone else’s fault.
----- Do you think the Stars will beat the Bulls ? ----- Yes. They have better players, so I ______ them to win.