39. The students left the classroom with the air-conditioner ________ and the fans turned on, which caused huge
waste of electricity.
(A)being operated
(B)operated
(C)operating
(D) was operating
詳解 (共 6 筆)
未解鎖
operating是指機器運轉,在這邊主...
未解鎖
leavenS + leave + O ...
未解鎖
依我的理解是leave也可當使役動詞用法...
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The students left th...
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呃,老實講,我不理解為什麼答案是c,我只...
私人筆記 (共 2 筆)
未解鎖
這題如果看到and就以為要對等連接詞連接...
未解鎖
機器被打開(被動)開關之後,它就會自行運...