He has lived ________ in a(an) _________ village since his wife died.
| A．alone, alone | B．lonely, lonely |
| C．alone, lonely | D．lonely, alone |
In the botanic garden we can find a（n）______of plants that range from tall trees to small flowers.
| A．species | B．group | C．amount | D．variety |
He was chosen _________ of the company.
| A．manager | B．a manager | C．the manager | D．as a manager |
I looked under __________ bed and found __________ book I lost last week.
| A．the; a | B．the: the | C．不填; the | D．the; 不填 |
—How about __________ Christmas evening party?
—I should say it was __________ success.
| A．a; a | B．The; a | C．a; 不填 | D．the; 不填 |
Polar bears live mostly on __________ sea ice, which they use as __________ platform for hunting seals.
| A．a; a | B．a; the | C．不填; a | D．the; 不填 |