补全对话

A. robot      B. for      C. make      D. library E. toy       F. What   G. thing

Sam: Hello, Ben.  are you doing in your garden?

Ben: I'm looking for something. I want to make a toy  my brother.

Sam： You want to make a ? That's a good idea. Can I help you?

Ben: OK. Let's  it together.

Sam: These days I want to invent a  which can run, play and fly.

Ben： Is it a ?

Sam: Yes, it is. I don't start making it. I need to look up more information in the .