.形容词性物主代词和名词性物主代词练习题1. This is my book. are over there. A. Your B. Yours C. You D. Mine2. Whose pen is it? Its . A. her B. hers C. she D. his3. bag is new and is new, too. A. Our, he B. Ours, his C. My, his D. My, her4. This room is ours, and that one is . A. they B. them C. theirs D. their5. Whose pencils are there? Theyre . A. my B. me C. mine D. our