---We can use MSN to talk with each other on the Internet.---Really? Will you please show me ________ it?
These are their ____________. They are very nice.
This is ____________ room. It’s very tidy.
-- Is this eraser __________? --No, it’s not ________. It’s Jim’s.
--Thank you ___________ your English book. -- ____________.
-- ___________, is this your ruler? – Yes, it is. Thank you.