6. 




答案：登入後查看
統計： A(43), B(4), C(99), D(2), E(0) #3807968

詳解 (共 1 筆)

#7311540
A. A receptionist is hanging up the telephone.
B. Some floor maintenance is being performed. 
C. A warning sign has been placed on the floor.
D. Visitors are registering at the front desk.
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A. 前台接待員正在掛斷電話。
B. 正在進行地面維護。
C. 地面上放置了警告標誌。
D. 訪客正在前台登記。
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