"I like reading a book in my room"she said    =>she said ..........

`1.` She said she liked reading a book in her room.

`-` Câu tường thuật: S `+` said to O/told O `+` (that) `+` S `+` V(lùi thì)

`-` Lùi thì: HTĐ `->` QKĐ

`-` Đổi ngôi: I `->` She `/` My `->` Her

Đáp án:"I like reading a book in my room"she said    
    =>she said that she liked reading a book in her room
   Ct của câu trần thuật: S + say/says/said hoặc tell/told + (that) + S + V(lùi thì)

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