Either the boy or his sister must have dinner here.
| A．his | B．her | C．their | D．theirs |
So sudden __________ that the enemy had no time to escape.
| A．did the attack |
| B．the attack did |
| C．was the attack |
| D．the attack was |
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 |