Look! The ball is _________ the case. A. in B. on C. under
_______ good advice the teacher gave me!
They went out for a walk at night, _______ ?
—Excuse me. Could you please show me how to use this MP4 player? — .
—Do you know _________ the meeting? —Tomorrow morning.
—Your brother is an excellent basketball player. —So he is. He on the basketball team since three years ago.