20 ! use the sentences to complete the dialogue. 1)whats wrong with him? 2)lets have a look at him/ 3)really? how? 4)what`s the matter? vet: hi,kelly. kelly: its ben,my dog.he doesnt look happy. vet: kelly: i think hes got a broken leg. vet: kelly: i dont really know. vet: ok.

Vet: Hi, Kelly. What's the matter? 
Kelly: It's Ben, my dog. He doesn't look happy.
Vet: What's wrong with him?
Kelly: I think he's got a broken leg.
Vet: Really? How?
Kelly: I don't really know.
Vet: OK. Let's have a look at him