33. I cannot understand__________the boy alone.
| A．why she left | B．why did she leave | C．why she had left | D．why had she left |
He suddenly saw Sue across his room ,so he ______his way through the crowd to get to her.
| A．felt | B．pushed | C．struggled | D．wound |
Polar explorers have to be extremely______ to bear the climate and other hardships.
| A．tough | B．rough | C．difficult | D．brave |
Just as the clothes a person wears, the food he eats and the friends with whom he spends his time ,his house ______his personality.
| A．resembles | B．strengthens | C．reflects | D．shapes |
As a good teacher, he should use different ways to encourage all children to realize their full ____and achieve their goals.
| A．possibility | B．conception | C．potential | D．difference |
This restaurant has become popular for its wide _____of foods that suit all tastes and pockets.
| A．division | B．area | C．range | D．circle |