China is a great country a long history.
--- It’s hot today. Why don’t we go swimming?----_________.
---- Has John come ________?----Yes. He has _________ been here for 10 minutes.
---- May I ________ your pen? ---- Sorry. I _______ it at home.
---- What other things do need, mum?-----________, I think. We’ve got everything ready.
---- ________ is the price of the book? ---- It’s twelve yuan.