. Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ____.
| A．were having | B．had had | C．were to have | D．had |
—When did it begin to snow?
—It started ____ the night.
| A．during | B．by | C．from | D．at |
He was fired ____his carelessness and laziness.
| A．because of | B．because | C．thanks to | D．since |
Shortly after the book Uncle Tom's Cabin________, the Civil War of America________.
| A．came about; broke away | B．came out; broke out |
| C．came on; broke up | D．came up; broke down |
—When will the game begin?
—It will begin later than usual _________ 15 minutes．
| A．in | B．on | C．by | D．at |
Some areas, ____ their severe weather conditions, are hardly populated.
| A．due to | B．with regard to | C．but for | D．in spite of |