阅读下列短文，从所给的四个选项中，选出最佳答案

　　　　　　　　　　　　　How Cities Began?

　Do you live in a city? Do you know how cities began?

　Long long ago, the world had only 　1　 thousand people.

　They moved from place to place. They hunted打猎 animals　2　 food.

　A long time passed. These people began growing crops. No one of our scientists 　3 　how and where these people learned about it .But they knew that, From then on the life of these people changed. They 　4　 move house any more.They could 　5 　in one place and grow crops. People began to live near 　6 　. And so the first villages grew. Many people came to work in the villages. These villages became bigger 　7 　bigger. Then people had machines, and life in the village changed again. They built factories. 　8 　people came to live near the factories. 　9 　the villages grew into cities.

　Today some people in 　10 　like to move back to small towns. Do you know why?

　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　

1． A．few	B．a little	C．a few	D．many	[　　]
2 ．A．at	B．as	C．with	D．for	[　　]
3 ．A．knows	B．know	C．knew	D．would know	[　　]
4 ．A．wouldn't be able to	B．didn't have to	C．might not	D．must not	[　　]
5 ．A．stop	B．stand	C．stay	D．sit	[　　]
6 ．A．every other	B．together	C．each one	D．each other	[　　]
7 ．A．and	B．or	C．so	D．than	[　　]
8 ．A．Much and much	B．Plenty and plenty	C．More and more	D．Many and many	[　　]
9 ．A．Why	B．So	C．Because	D．That	[　　]
10 ．A．cities	B．villages	C．factories	D．one place	[　　]

从所给的四个选项中选择最佳答案

I'm going to leave here tomorrow．So I ______ the work today．　　　

[　　]

A．must finish　　　   B．am finish

C．must to finish　　　D．am finishing

　　  　 you tell me the way 　  　　 the Beijing Zoo?　　　

[　　]

A． Could, on　　　B．Must, to　　　C．Could, to　　　D．Must, on