What tense are the following sentences in? 1: Dave listens to music on his way home from school. 2: Academics in higher education often have long discussions about the spread of plagiarism in universities. 3: Plagiarism-detection software wasn’t very good. 4: These students have cheated on exams in the past. 5: These students cheated on the exam. 6: Plagiarism detection software has improved a lot since the early 2000s. 7: Economic hardship was identified as the source of the problem匹配题

A

Present simple

B

Passive voice

C

Present perfect

D

Past simple

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