David and his teacher are meeting at the school gate. - David: “Good morning, Mr Deakin. How are you?”24/40David and his teacher are meeting at the school gate. - David: “Good morning, Mr Deakin. How are you?” - Mr Deakin:”____________. And you?”I’m busy now I’m fine. Thank youI’m going home I’m having a class nowGiải thíchChọn B