If I were any younger, I would do ______ I’m interested in.
—How is your father? —He’s fine. He’s______ to play tennis every Sunday.
The doctor assured the patient that there was ______ with her, but she could not help worrying.
The child dreamed that he had once lived in a _______ house in the forest.
The children all looked _____ at the broken model plane and felt quite _____.
----“This book is ______ more useful for us students.” ----“Yes, but it is _______ too difficult.”