Greenland, ＿＿＿＿＿island in the world, covers even two million square kilometers.
| A．it is the largest | B．that is the largest | C．is the largest | D．the largest |
—Did you enjoy yourself at the party?
—Yes．I've never been to ______ one before．
| A．a more excited | B．the more excited |
| C．a more exciting | D．the most exciting |
The chairman_________all the people to continue to deal with the global financial crisis.
| A．called up | B．called in | C．called for | D．called on |
_________in the city for thirty years, the old man moved back to the countryside.
| A．Having worked | B．Working | C．To have worked | D．To work |
So serious ________ that even the best doctors failed to save his life.
| A．the man was injured | B．was the man injured |
| C．the man is injured | D．is the man injured |
．Those are model teachers, most of_________ are young women.
| A．that | B．who | C．whom | D．whose |