The meeting _______for two hours, but they still ______any agreement.
________swallow(燕子)doesn’t make ________ summer.
--Did Mary come to your birthday party?--No. I __________ her, but she was away on business.
All the preparations_________, we're ready to start.
--Do you know when the Chinese custom_________ from?--It's hard to say. But its characteristics__________ the Tang Period.