The boy is playing____ piano. He isn’t playing ___ basketball. A. a, a B. the , / C. /,/
—Can I wear any clothes I like to school? —No, you can’t. You ___ wear a uniform.
—Would you like to go and see avatar with me tonight? —Thank you very much, but I ___ it already.
He wanted to know ___ the English party.
We won’t start the meeting ___ our teacher arrives.
Liu Xiang ___ by his coach to train regularly.