根据上下文，选择适当的词把对话填充完整
( What ,    Does ,  making,   of,   swimming,  hobby )
A:               are you doing?
B: I’m           a model car, I love making models.
A: What’s your             ?
C: My hobby is                      .
A: Can you swim very fast ?
C:                 course,I can.
A:                your father like swimming?
C:  Yes,he does.