It can be inferred from the passage that one reaso...
Câu hỏi: It can be inferred from the passage that one reason that sociologists may become frustrated with questionnaires is that______.
A respondents often do not complete and return questionnaires
B questionnaires are expensive and difficult to distribute
C respondents are too eager to supplement questions with their own opinions
D questionnaires are often difficult to read
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Tiếng Anh năm 2016 - Sở GD & ĐT Vĩnh Phúc - lần 1