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             (      )