You can't imagine what difficulty we had ______ home in the snowstorm.
| A．walked | B．walk |
| C．to walk | D．walking |
The war was the result of their _____ for more land.
| A．idea | B．mind | C．hope | D．desire |
The huge picture looks more beautiful _____ the blue sky.
| A．to | B．against | C．over | D．under |
Ms. Claire is a strict but kind teacher, _____ I respect and appreciate most.
| A．that | B．what | C．one | D．which |
There is a small group of English words which even some native speakers and writers find _____.
| A．puzzled | B．to be puzzled | C．to puzzle | D．puzzling |
I got _____ bad toothache yesterday，which kept me awake _____ whole night
| A．a; the | B．不填; a | C．the; a | D．a; 不填 |