問題詳情
3.9 It is estimated that alcohol and drug abuse costs businesses billions of dollars byabsenteeism and lost productivity.
(A) estimated that alcohol
(B)abuse
(C)businesses
(D)by
(A) estimated that alcohol
(B)abuse
(C)businesses
(D)by
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增
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