2 . At that time, people ______that all species had appeared on Earth at the same time, and ______since.

A．was believing; didn’t change	B．believed; hadn’t changed
C．had believed; hadn’t changed	D．believed; haven’t changed

3 . (2015·天津) Only when Lily walked into the office_________that she had left the contract at home.

A．she realized	B．has she realized
C．she has realized	D．did she realize

4 . Damage ________ by the big fire, which ________ in Shanghai last Sunday, is ________ at about 500 million yuan.

A．caused; broke away; cost	B．caused; broke out; assessed
C．being caused; broke away; accessed	D．being caused, broke out; acquired

5 . Kate g__________ from medical school last year, ready to be a doctor. (根据首字母单词拼写)

6 . I ________ in Nanjing for many years, but I’ve never regretted (后悔) my eventual decision to move back to Beijing.

A．have worked

B．am working

C．had worked

D．worked

7 . “Never for a second,” the boy said, “ ________ my father would come to my rescue.”

A．I doubted that	B．do I doubt whether
C．did I doubted if	D．did I doubt that

8 . All the audience ________(rise) to their feet when the scientist came into the hall. (所给词的适当形式填空)

9 . --- Could you tell me where you’re working now, Tony?
--- In the new development zone. But I ________ in a computer company for five years.

A．have worked

B．had worked

C．was working

D．worked

10 . The injured old man went all out and_________（挣扎）to his feet, but failed. (根据汉语提示单词拼写)