I am ashamed, sir, that I wasted the many hours _____ I should have studied in class.
| A．while | B．as | C．once | D．when |
They gave me so much help, without ____ I couldn't have succeeded last year．
| A．them | B．which | C．it | D．that |
Jenny worked hard before the final examination, and ____．She got an A．
A．took off B．showed off C．put off D．paid off
When designing your house, you'd better ____ land for a garden．
| A．develop | B．save | C．spare | D．share |
--- I think George doesn't really care for TV plays．
--- Right, ____ he still watches the program．
| A．and | B．so | C．but | D．for |
The weather in London is so changeable that people always take their umbrellas with them ____ rain．
| A．for fear of | B．in hope of |
| C．in spite of | D．because of |