. A new technique ____, the production as a whole increased by % percent last year.A.employingB.havi

题目简介

. A new technique ____, the production as a whole increased by % percent last year.A.employingB.havi

题目详情


. A new technique ____, the production as a whole increased by % percent last year.
A.employingB.having employed
C.to have been employedD.having been employed
题型:单选题难度:偏易来源:不详

答案

D

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