51. Your key is on the floor.（对划线部分提问）

                  your key?

（   ）50. You are very beautiful.                J. It’s very good.  

五、句型转换。根据要求完成下列句子。一空一词。（15分）

（   ）49. How do you like our school?          I. Good afternoon!

（   ）48. Can you spell it?                      H. It’s a pen.

（   ）47. Where are my rulers?                G. His name’s Li Bing.

（   ）46. Is she a nurse?                       F. No, it isn’t.

（   ）45. Is this her pen?                      E. Yes, P-E-N.

（   ）44. Thank you very much.                D. That’s all right.

（   ）43. Good afternoon!                      C. No, she isn’t.

（   ）42. What’s this in English?                B. Thanks.