Plural nouns and singular nouns

• Do the exercise on plural nouns and singular nouns »

• That seat costs a fortune.
• I must read that book.
• Introduce me to this girl, please.
• Those men must be crazy.
• I want these papers back tomorrow.
• I want to see that sweater.
• Bring me that pencil, please.
• That picture is the best.
• These shirts are quite expensive.
• That shop is closed.
• Give me this ticket, please.
• This cat is mine.
• Look at these photos.
• Throw away those bulbs.
• Those stories should be published.
• This hat is awful.
• Those incidents are described in Tom's book.
• These books are here.
• This seat is John's.
• These windows are dirty.