--- You’re quite free now, I think.
---_______. I have tons of things to do!
| A．By accident | B．On the contrary |
| C．That’s right | D．I can’t agree more |
When __________, the museum will be open to the public next year.
| A．completed |
| B．completing |
| C．being completed |
| D．to be completed |
The research is so designed that once __________ nothing can be done to change it.
| A．begins |
| B．having begun |
| C．beginning |
| D．begun |
__________ more attention, the trees could have grown better.
| A．Given |
| B．To give |
| C．Giving |
| D．Having given |
__________ many times, he finally understood it.
| A．Told |
| B．Telling |
| C．Having told |
| D．Having been told |
(2009·江西) __________ the right kind of training, these teenage soccer players may one day grew the international stars.
| A．Giving |
| B．Having given |
| C．To give |
| D．Given |