句子改错 ，下列各句均有一处错误，找出并改正。Theyaremyfriend.
A B C D （ ） Whatdo you spell it?
A B C D （ ） I have a good friend. She’s name is Lucy.
A B C D ( ) Are you Helen? Yes, I’m.
A B C D ( ) Is this your pencil? No, it isn’t. It’s him.
A B C D ( )