試題詳解

186.According to the ad, in addition to daily vacuuming, trash removal, and bathroom sanitation, which of the following tasks are included in Shining Shining Cleaning & Maintenance Services' extended plan?
(A) Exterior building maintenance and landscaping.
(B) IT support and network maintenance.
(C) Employee training and development programs.
(D) Dusting, window cleaning, and floor waxing.