| Jumping out of _____ airplane at ten thousand feet is quite _____ exciting experience. |
A. 不填; the B. 不填; an C. an; an D. the; the |
| — Is John coming by train? — He should, but he _____ not. He likes driving his car. |
A. must B. can C. need D. may |
| The life of London is made up of many different _____. |
A. elements B. sections C. materials D. realities |
| According to the new research gardening is a more _____ exercise for older women than jogging or swimming. |
A. mental B. physical C. effective D. efficient |
| Her son, to whom she was so _____, went abroad ten years ago. |
A. loved B. cared C. devoted D. affected |
| When climbing the hill John was knocked unconscious by an _____ rolling stone. |
A. untouched |
| 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 |
| Her brother _____ to leave her in the dark room alone when she disobeyed his order. |
A. declared B. threatened C. warned D. exclaimed |
| He did it _____ it took me. |
A. one-third a time B. one-third time C. the one-third time D. one-third the time |