Complete the dialogue with the passive form of the verbs in brackets.
Anna: What's up with you?
Gary: I've got a terrible toothache.
Anna: Why don't you go and see the university dentist? He (1) ____ (say) to be really good.
Gary: Yeah, I (2) ____ (tell) that he's good too. But won't it be expensive?
Anna: If you only need a filling, then you (3)_____ (not charge) much. It depends on what needs to (4) _____ (do).
Gary: Anyway, what about you Anna? I heard that you (5) ____ (take) to hospital last week. What happened?
Anna: I got food poisoning. The doctor said that l'd probably eaten some fish that (6)_____ (not cook) properly, but I'm much better now.