With a determined(坚定的) look on his face,Chicago’s Michael McCarthy held on to the banister(扶手) and climbed to the top of the Willis Tower not long ago.The Tower stands 1,451 feet(442 meters) tall,the＿21＿ building in the US.
As he got to the last step,McCarthy ＿22＿ fell down,but that didn’t stop him.The 14-year-old boy finally finished climbing the 2,109 steps and arrived at the top,where he ＿23＿ cheers from many people....等等.是这个么?要是要全的给我留言.我有.