题目内容

New technology __________ to stop the students from cheating in the exam last year.
A. used                 B. is used                  C. was used
C

试题分析: 句意:去年新的技术被应用于防止学生考试作弊。last year去年,一般过去时,技术被应用,被动语态,故选C.
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