Muchtimesittingatadesk，officeworkersaregenerallytroubledbyhealthproblems．（）A.beingspentB.havingspentC.spentD.spending

Question

Much time __________ sitting at a desk，office workers are generally troubled by health problems．（　　）

A. being spent

B. having spent

C. spent

D. spending

Answer 1

考查独立主格结构．由句子结构可知，分词的逻辑主语much time与主句主语office workers不一致，所以是独立主格结构．逗号后为主句，逗号前为独立主格结构作原因状语．time与spend是被动关系，故填spent．