题目内容：

句型转换(合并为含有which或who引导的定语从句的复合句)

1.This is the bike. I bought the bike yesterday.

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2.The girl is in a red skirt. She is my best friend.

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3.The book is about a girl called Alice. I read the book yesterday.

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4.Is that the hero? You talked about the hero yesterday.

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5.I dislike the person. The person talks much but does little.

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