1【题目】Wha tis Agatha Christie? A: A detective. B : A bookseller. C: A writer 2【题目】What is Agatha Christie? A. A writer. B.A bookseller. C.A detective. 3【题目】What is Agatha Christie? A . A bookseller . B. A writer . C . A detective 4 What is Agatha Christie?