My brother is an active boy, he often risks _____ mountain with his friends.
Jack is afraid of flying. He feels _______ before he gets on the plane.
He bought _______ books with _______ money.
—Who came to school earliest yesterday morning?—_______.You can ask Linda. She may know.
Do you enjoy _______ pictures outside?
Lao She is famous _______ his play _______ a writer.