Tom has agreed to let me use his computer to surf the Internet, and _______ I’m treating him to a good dinner at the newly-built restaurant just around the corner.
________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.