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3.This is David and Franks' dog. 4.She has got two brothers.Her brother's room is on the right. 5.She has got a brothet and a sister.Her brother's teacher is from London. 6.What is your sister's name ? 7.The Brown's pet is very nice 8.These are my friends.The boy's grandmother's works in a hospital. 9.My aunt's friend works in London. 10.I like Kate and Bobs' grandmother.