--Do you know when the Chinese custom_________ from? --It's hard to say. But its characteristics__________ the Tang Period.
Much to the couple’s comfort, their income is now double ______ it was five years ago.
It is required that the students ______ mobile phones in our school, so seldom ______ them using one.
The foreign teacher Mr. Halt has a strange way of writing. Here’s a notice from him, but no clear ______ of what he has written can be made at all.
When I opened the door, I found my father ______ in his chair, completely ______ in a magazine.
I feel it is you rather than the girl who ______ for being late for the speech.