1 . 据估计，到2050年，这个国家的人口将增加3000万，而且将近80%的人口会生活在城市。
________ by the 2050, this country’s population will have increased by 30 million and close to 80% will live in urban areas.

2 . It’s cold today, ______ ? (用适当的词填空)

4 . 他突然意识到照片中的其他中国人不关心他们的同胞发生了什么事情。（运用it作形式主语）
______________________ the other Chinese men in the photo apparently did not care about what was happening to their fellow countrymen.

5 . As far as I ________ , the questions ________ the future of the company is worth discussing.

A．am concerned; concerning	B．am concerned; concerned
C．concerned; concerning	D．concerned; concerned

6 . Hardly ________ his homework when he went out.

A．finished he

B．he had finished

C．did he finish

D．had he finished

8 . The more friends you have, the ________(happy) you’ll be. (所给词的适当形式填空)

9 . Using both hands and arms, turn the baby ___________ (脸朝上), so she is now resting on your other arm. (根据汉语提示完成句子)

10 . I’d appreciate ______ if you could let me know in advance whether or not you will come.

A．that

B．it

C．them

D．you