He has read many books on history, so it's for him lo answer these questions.
Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.
—What ____ news! —Yes, all of the children were ____.
New York is one of ____ in the world.
Do you have difficulty ____ English?
. —Why do you ____ very happy this afternoon? —Because we are going to spend the evening at Lily’s house.