. Although ________ after the Civil War, the American blacks still took no important role in the white Americans except as servants and laborers.
| A．no longer being slaves | B．were no longer slaves |
| C．no longer slaves | D．no longer been slaves |
Pop music is such an important part of society it __________ has even influencedour language.
| A．as | B．that | C．which | D．where |
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 |