Oh, I’m not feeling well in the stomach. I _____ so much fried chicken just now.

--- There is someone at the door. Who ______ it be? Is it the postman?--- No, it ________ be him. It’s just seven o’clock. It’s too early.

 --Will you read me a story, Mummy?--OK. You ________have one if you go to bed as soon as possible.

— Listen! Helen is singing in the classroom.—It _______ be Helen. She has gone to Shanghai.

China’s word，tuhao，which caught the attention of the dictionary’s editing team，__________ be in next year’s Oxford English Dictionary．