By the time she’s twenty , she __ almost everywhere in the world!
--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.
After you have used the dictionary, please just put it back______it belongs.