Grammar Genius A_Unit 12

Betty, You're early! You never come to the lab at 9 o'clock You usually come to the lab at 10 o'clock I'm working on a new experiment There's a lot of smoke in here I'm leaving Betty! Can you hear me? I'm cooking lunch Cooking? You never cook I always cook The music is too loud in here I'm leaving Betty, Can you stop that? Betty? Betty, Can you hear me? I'm playing the guitar Playing the guitar? You never play the guitar You sometimes play the piano There's too much noise in here I'm leaving Great! Mark is gone. I can now watch my favourite show on TV.