The customer bargained with the shopkeeper for a long time, and finally they agreed ___________ the price

Would you like to come to my party tomorrow —_______. I’ll go hiking with my parents.

I don’t mind telling you what I know.— You _____. I’m not asking you for it. [ ]

He gave himself a new name to hide his ____ when he went to carry out the secret task.

That’s a bad babit of learning. ，it is never too late for you to get out of it.