21. Three young cyclists have announced ________ plan to pedal from Beijing to London, in time to catch ________ Olympic Games on July 27, 2012.

A. the; the             B. a; the         C. a; /            D. the; /

22. The Newseum in Washington, D. C. showed huge pieces of an airplane that ________ ramming into the World Trade Center towers.

A. survived                                B. supplied

C. supported                              D. surprised