______ such heavy pollution already, it may now be too late to clean up the river.

　　 A. Having suffered　　 B. Suffering　　 C. To suffer　　 D. Suffered

People need to relax and enjoy themse1ves．One way they can have a good time is to watch a baseball game or another sports event．Even thousands of years ago，groups of people gathered to watch skilled athletes（运动员）．

　　Over 2000 years ago in Greece，certain days in the year were festival days．These were holidays when people stopped work and enjoyed themselves．They liked to watch athletes take part in races and other games of skill．

　　The most important festival was held every four years at the town of Olympia．It was held in honor of the Greek god Zeus（Zus）．For five days，athletes from all parts of the Greek world took part in the Olympic Games．At the Olympic Games，people could watch them box，run，jump and so on．There was a relay race between two teams of men in which a lighted torch（火矩）was passed from runner to runner．The Olympic Games were thought to be so important that cities which were at war with one another had to stop fighting．People were allowed to travel to the games safely．Thousands of people came to Olympia from cities in Greece and from her colonies（殖民地）in Africa，Asia and Italy．They met as friends to cheer their favorite athletes and to enjoy themselves．

　　1．What happened in Greece over 2000 years ago？

　　A．People stopped work and enjoyed themselves．

　　B．The cities there were often against one another．

　　C．People watched baseball games．

　　D．People didn’t go to any games at all．

　　2．What were those countries in Africa？

　　A．Friends．　　 B．Enemies．

　　C．Colonies．　 D．Other cities．

　　3．What did people do at the games？

　　A．They fought．　　　 B．They just talked to friends．

　　C．They cheered for good athletes． D．They tried to find friends．

　　4．Greek cities then were fighting so they_____．

　　A．were weak　　　　　　　　 B．were strong

　　C．couldn’t go to other cities freely　 D．could see each other

　　5．The best title for the story is“_____”．

　　A．Greece at War　　 B．Together for the Games

　　C．Stop Fighting　　　　　 D．Sport

The newly?built skyscraper is nearly ________ the building on its left.

A．twice the height of　 B．as twice tall as

C．twice taller as D．taller twice than

We waited and waited. _________ we had been looking forward to .