．The conference aims to develop business and let people think about ______ they can have a positive influence on the planet．
| A．why | B．that | C．what | D．how |
Once formed, the bad habits are hard to __________.
| A．move | B．get rid | C．remove | D．place |
He told lies again and again, so all of us __________ him already.
| A．have faith in |
| B．have had faith in |
| C．lose faith in |
| D．have lost faith in |
__________ by the advances in technology, many farmers have set up wind farms on their land.
| A．Being encouraged |
| B．Encouraging |
| C．Encouraged |
| D．Having encouraged |
Eugene's never willing to alter any of his opinions. It's no use __________ with him.
| A．to argue | B．arguing | C．argued | D．having argued |
Italy __________ Argentina three__________ one.
| A．beat； to | B．won； to | C．beat ； against | D．win ； against |