___, she is the sort of woman to spread sunshine to people through her smile.
| A．Shy and cautious |
| B．Sensitive and thoughtful |
| C．Honest and confident |
| D．Lighthearted and optimistic |
Only after one loses something ________ how precious it is.
| A．he will realize | B．will he realize |
| C．he has realized | D．has he realized |
Life is like riding a bicycle. _____ your balance, you must keep moving.
| A．To keep | B．Keeping |
| C．Being kept | D．Having kept |
Peter, though a green hand, has earned not only the trust of his fellow workers but also ________ of his boss.
| A．one | B．ones |
| C．that | D．those |
A few stars from the entertainment industry, such as Ke Zhendong and Fang zuming, have recently been arrested, which shows that drug taking is becoming _____ increasingly serious threat to society.
| A．the | B．an |
| C．a | D．不填 |
---Are you coming to Jeff’s party ?
---I’m not sure. I ____go to the movie instead.
| A．must | B．would | C．should | D．might |