The old man fell down the front steps, knocked his head, and lost ________; when he woke up, he was back in his house.
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.
It is usually not quite cold in this area in March, but sometimes temperature________ be very low.