---Be careful,          don’t forget to follow your father.---I know that, Mum. One can never be too careful.

——Can I eat the cake，Mum?——Yes，you can．_________you must wash your hands first．

Although he was will,          his father came back.

—     is your grandmother?—She is 80years old.

--- ____ to Jinan?--- Yes. She went there last year.