--- Are those his pencils?--- Yes, _____.
—Please ____ the tree. Can you ____ some apples on it? —Yes, I can.
—What ____ you like ____ breakfast? —Some milk and two eggs.
—____ does your father work?—He works in a hospital.
—____, Tom. Is this your pen? —No, it isn’t. I think it’s ____.
The girl ____ red is my sister.