Lucy is the________ of the twins, and she is the_______ girl in her class.

Lucy is the________ of the twins, and she is the_______ girl in her class.

A．younger; younger                       B．youngest; youngest

C．younger; youngest                      D．youngest; younger

Kate is ________ taller of the twins, but she's a little thinner．

1. A.
   the
2. B.
   /
3. C.
   a
4. D.
   an