--Do you know when the Chinese custom_________ from?--It's hard to say. But its characteristics__________ the Tang Period.
She ______ opened the letter addressed to her husband.
I think he must have ______ me. Actually I had meant to help him instead of annoying him.
Soon afterwards, he made his first public ______ about the affair to clear others’ misunderstanding of him.
It is good to be ______ about the world around you because I think curiosity is the best teacher.
- Why are there three prices quoted for this part? - They ______ the prices for different quantities.