In that age of computers, it is difficult to imagine how tedious work of accountants48/50Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions In that age of computers, it is difficult to imagine how tedious work of accountants and clerks must have been in the past.that ageit isworkhave beenGiải thíchĐáp án A That age => that version