4.　　　 David’s sports shoes/Tommy’s sports shoes

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3.　　　 Grandpa’s glasses/Grandma’s glasses

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2.　　　 Mr. Wang’s computer/Uncle Bob’s computer

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1.　　　 Emily’s dress/Lisa’s dress

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5.Railway trains are __________ underground trains-railway trains run above the ground but underground trains usually run under it.

4.Clothes washing liquid is ____________ washing power -both of them are for clothes washing.

3. California’s Disney land is _________Florida’s Disney World-they are both Disney theme parks.

2.An e-mail is __________ a letter-we write an e-mail on a computer but a letter on a piece of paper.

1.My watch is ______________ yours-they are both round.

15.　 John studies fewer subjects than Daniel, but Nancy studies the ____ _____(few).