Question

-- Is that _________ sister, Dave? -- No, it isn’t. She is my friend. A．you B．your C．she

-- Is that _________ sister, Dave? -- No, it isn’t. She is my friend. A．you B．your C．she D．herself

Answer 1

B

考查代词。句意：代维，那是你的姐姐吗？——不，那不是。她是我的朋友。结合语境可知上文为形容词性物主代词做定语，故选B，你的。