The people who............ the survey said that they had examined over 1,000 accidents.21/64Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. The people who............ the survey said that they had examined over 1,000 accidents.gaveproceedsetconductedGiải thíchĐáp án : D Conduct a survey = tiến hành một cuộc điều tra