—“Did you have any difficulty in today’s homework?”—“No, in fact I found ________.”
—What ____ news! —Yes, all of the children were ____.
New York is one of ____ in the world.
Do you have difficulty ____ English?
—I don't know much about computer. —I don't know, ________. Let's go and ask for help.
—What 's wrong with you? -- It’s