Driver: whose are these red sunglasses? dan: i think they're helen's. 1 e driver: are they yours? dan: you must be joking. luke's got big feet. driver: and what about his cd? dan: i don't know. driver: look! $20. dan: driver: are you sure it's yours! a. i think it's mine. b. it isn't mine. c. mine are bigger than his. d. and whose is this money? e. hers are red. f. perhaps they're his. g. have you got $20. h. whose are thesetrainers? i. my feet aren't as big as that!