E. Would you mind opening the door for me, please? (1)A:Here is our music club. B:____ A:Of course. I'm good at playing the guitar. (2)A:_____. B:I've got a toothache. A:Open your mouth. Say “ah… “ (3)A: Hello.______ B; Certainly. A:Thank you. B:My pleasure. (4)A:____ B:They are sixty-five yuan. A:I'll take them. B:Thank you. (5)A:Hi, Peter. I' d like to invite you to my birthday party. B:Cool!_____? A:It's on December 20th at my home. B:Sure. I'd love to.