Life is like riding a bicycle. _____ your balance, you must keep moving.
| A．To keep | B．Keeping |
| C．Being kept | D．Having kept |
They are_________ to eat Chinese food though they have been in America for years.
| A．content | B．please |
| C．interested | D．fond |
If you don' t know a word, you can ________ the word in a dictionary.
| A．look up | B．look down | C．look over | D．look out |
Many girls like __________ skirts in summer.
| A．wearing | B．dressing | C．in | D．putting on |
He ________ living in the country to the city.
| A．likes | B．prefers | C．enjoys | D．loves |
The students put down their pens when the teacher_____ them to stop writing.
| A．said | B．spoke | C．told | D．talked |