It used to be thought _____ the Earth was flat.
| A．as | B．when |
| C．since | D．that |
Understanding the cultural habits of another nation，especially ________containing as many different cultures as America，is a difficult thing.
| A．the one | B．one | C．it | D．either |
The________of life is being________ what I am or what I have.
| A．pride；proud | B．pride in；proud of |
| C．pride；proud of | D．pride in；proud |
—How is the patient now? Is he out of danger?
—No，________than yesterday，I'm afraid.
| A．no better | B．much better |
| C．not worse | D．no worse |
The country life he was used to________greatly since 2002.
| A．change | B．has changed |
| C．changing | D．have changed |
The shortage of supplies is________the price.
| A．keeping off | B．keeping out |
| C．keeping up | D．keeping from |