The plan was so shallow and impractical that no serious _______ was ever made to realize it.
| A．recognition | B．comment | C．attempt | D．credit |
When the man came in, gun in hand ,we all stood there,______.
| A．astonishing | B．being astonished | C．astonished | D．having astonished |
After winning the singing competition, she thought herself ___ in her neighborhood
| A．something | B．nothing | C．anything | D．everything |
--- I' m surprised to hear that Sue and Paul have ________ .
---So am I. They seemed very happy together when I last saw them.
| A．broken up | B．finished up | C．divided up | D．closed up |
As there is less and less coal and oil, scientists are exploring new ways of making use of______________ energy, such as sunlight, wind and water for power and fuel.
| A．abrupt | B．alternative | C．authentic | D．abstract |
The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.
| A．to be based on | B．to base on | C．which to base on | D．on which to base |