... 21 In the last hundred years, traveling much easier and more comfortable A is becoming B becomes C became D has become 22 “Why you look so tired? – “Yes, I - all day.” ... 23 Mary -her husband when she in the United States A met / worked B met / was working C had met / was working D was meeting / was working 24 Sarah - for her things ... working/ decides B had been working/ decided C working / had decided D is working/ will decide 41 In 19 70, the Canadian scientist George Kelly that warm water _ more quickly than cold water...