The forest guards often find campfires that have not been _______ completely.
| A．turned down | B．put out |
| C．put away | D．turned over |
---Is there anything I can do for you, sir?
---___________. But I’m being served.
| A．Oh, you are a nice girl | B．That’s all right |
| C．It’s very kind of you | D．Thank you all the same. |
There are many talented actors out there just waiting _________.
| A．to be discovered | B．to discover | C．discovered | D．being discovered |
A big earthquake broke out in Japan on March 11th 2011, _________ in many deaths and injuries.
| A．resulting | B．having resulted | C．resulted | D．to result |
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．original | B．alternative | C．convenient | D．staple |
In the future, senior citizens will be able to go anywhere using high-tech cameras _______ to their head.
| A．attaching | B．attached | C．to attach | D．attaches |