---Did your father write an e-mail yesterday? A Yes, he did. B Yes, he does C No, he don’t
---Whose coats is this? --- Is it a black one? ---Yes, it is. ---________________. -- Here you are. ---Thank you very much.
--- Help yourself to some fish. ---__________________.
---_______. --- I caught a cold.
---________________ --- Yes, speaking.
--- Can you find China on this map? --- Yes. ___________It's here.