20．A．in                       B．for                      C．each                             D．every

19．A．held                    B．hold                    C．begin                     D．began

18．A．of                       B．at                        C．in                          D．on

17．A．agreed                 B．hoped                  C．prepared                D．allowed

16．A．did                      B．had                     C．looked                   D．were

The first Olympic Games ___18___ modem times happened in 1896．They were ___19___ in Greece，where the games were born．Both the Summer and Winter Olympics are held ___20___ four year．The Winter Olympics are usually held two years ___21___ the Summer Olympics．

The 24th Summer Olympics were held in 1988 in Los Angeles（洛杉矶）．The competitors from the People's Republic of China ___22___ the games for the first time．The Chinese competitors ___23___ many medals since then．___24___ most of the modals were won by women．We hope men will ___25___ their best to win more medals．

14．Please don't play so nosily，_______?

A．will you              B．shall we               C．do we                    D．won't we

13．Because he hurt his foot，_______ he could not play with us．

A．so                       B．but                      C．however                 D．／

12．_______ you about it because I don't believe in you．

A．wouldn't rather tell                                  B．would rather not to tell

C．would rather not tell                                   D．wouldn't rather telling