23. So quickly ____________ is a possibility today may be a reality tomorrow.
| A．are science and teachnology advancing that |
| B．science and technology advancing are that |
| C．are science and technology advancing that what |
| D．science and technology advancing what that |
_____ afraid _____ behind, Bill studied even harder than ever before.
| A．To be； of falling | B．Being； fall |
| C．Being； of falling | D．To be； to fall |
The building _____ next month will be a modern hospital.
| A．built | B．being built | C．to be built | D．to built |
_____, Mr. Thompson left the room.
| A．Drinking the coffee | B．Had drunk the coffee |
| C．After drank the coffee | D．Having drunk the coffee |
The information _____ to me is of great value.
| A．brought | B．taken | C．being taken | D．being carried |
_____ more time, he could have done the work much better.
| A．To be given | B．To give | C．Given | D．Giving |