---People should use public transport instead of their own private cars.
--- _______.The roads are too crowd as it is.
| A．All right. | B．Exactly. | C．Go ahead. | D．Fine. |
The machine is so advanced that it will start ______ you press the button.
| A．constantly | B．cautiously |
| C．instantly | D．severely |
What _______ the doctors most was that they could not find the cause of the strange disease.
| A．enjoyed | B．puzzled |
| C．charged | D．promised |
It is ________ that Arthur gave back the money he found.
| A．greatly to one’s credit |
| B．for his great credit |
| C．greatly to his credit |
| D．for one’s great credit |
They have ______ a plan for reducing the budget deficit(财政赤字), which is quite practical.
| A．put off | B．put away |
| C．put down | D．put forward |
I waved to Nancy, but she was _______ in her thought, and made no response.
| A．involved | B．stuck |
| C．absorbed | D．interested |