If a building is ______,it has fallen down or been badly damaged. A In fear B in silence C in peace D in ruins
--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.