阅读短文，判断句子正误。

Rose: Bob! Come here! Whose shoes are these? They look like yours.

Bob:Let me see. These shoes aren't mine.

Rose: Whose shoes are they then?

Bob: They're Bill's, I think.

Rose: Come here, Bill. Are these shoes yours?

Bill:Which shoes?

Rose: Those under the tree.

Bill: Let me see. Yes, they're mine! They're my shoes.

Rose: Put them on, Bill. You must look after your shoes!

Bill: OK. Thank you, Rose.

Rose: You're welcome.