.—Shall we go out for a walk? —Sorry. I’m too busy to for the moment.
—It angered me that a neighbour accused me ________ kicking her pet. —Oh, you had the right to defend yourself ______ her accusation.
Many kinds of birds fly south at the ______ of winter.
At the meeting they discussed three different _____ to the study of maths.
The bald eagle_____ the United States.
It was difficult to guess what her _____ to the news would be.