2.Is it advisable to leave the house while air ducts ______ by a hired crew?
(A) are being cleaned
(B) are clean
(C) are cleaned
(D) are cleaning
詳解 (共 4 筆)
未解鎖
air ducts 通風管道hired ...
未解鎖
回樓上 文法上來說可行但while相較於...
未解鎖
會建議在請工作人員來清理風管的時候離開家...
私人筆記 (共 1 筆)
未解鎖
Advisable adjective ...
阿摩線上測驗
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