David is clever and quick at work, he is honoured with the title of model worker.
| A．which | B．where | C．for it | D．for which |
Jack had his house _______ last night and he and his family were left homeless.
| A．burning down | B．to burn down | C．burn down | D．burned down |
The new secretary is a quick, _______ worker, and the boss is quite satisfied with her.
| A．subjective | B．sufficient | C．adequate | D．efficient |
The factory produced a great number of computers, most of _______ shipped to foreign countries.
| A．them | B．which | C．it | D．what |
Many women work in big companies，but in the boardrooms of most big companies, women are in the _______.
| A．scarcity | B．minority | C．majority | D．popularity |
Mrs. Black would rather his husband did some housework when he’s free, but he _______.
| A．wouldn’t | B．didn’t | C．doesn’t | D．wasn’t |