Ann: Mark, what are you doing under the sofa? Are you looking for (7)... ?
Mark: I'm looking for our Christmas presents. I put them (8)... under the sofa yesterday because l thought that (9)... could find them here.
Ann: Have you found (10)... ?
Mark: No, there is (11)... under the sofa.
Ann: I think (12)... has already found theam!