从下列句子中找出错误的一处并改正。

( ) 1. What the  matter with you, Lily?                         

               A                       B    C 

(     ) 2. She can play piano.                                            

                    A    B      C 

(     ) 3. What's he favorite fruit?                                     

                 A     B               C 

(     ) 4. Do she like playing games?                                 

             A          B      C 

(     ) 5. I fail the Chinese test yesterday.                          

               A                     B        C