题干

Most of the students haven’t finished their papers on time for __________reasons---one of which was that they carried out a week-long investigation in the countryside.
A.previousB.accurate
C.originalD.various
上一题 下一题 0.85难度 单项选择 更新时间:2014-12-14 08:05:33

答案(点此获取答案解析)