The mats and the attached earth were lifted using the freezing technology, before &n

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1. (2017高二下·如皋期末) The mats and the attached earth were lifted using the freezing technology, before to our lab for further analysis.

A . transporting B . being transported C . to be transported D . transported

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江苏省如皋市2016-2017学年高二下学期英语期末考试试卷