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15 I ______ the floor when the earthquake occurred late last night.
(A)was sweeping
(B)been sweeping
(C)was swept
(D)swept

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難度： 簡單

最佳解!
	Nash Hsu 國三上 (2012/05/21) 過去進行式昨天晚上地震.....看完整詳解檢舉

	3F Ya-Ting Chang 高三下 (2012/05/27) I was sweeping the floor when the earthquake occurred late last night。檢舉
	4F River Ch 研二下 (2017/09/06) 請加上題目底線部分，謝謝~ I the floor when the earthquake occurred late last night. 檢舉
	5F 【站僕】摩檸Morning 國三下 (2017/09/07) 原本題目: 15 I the floor when the earthquake occurred late last night. (A)was sweeping (B)been sweeping (C)was swept (D)swept 修改成為 15 I ______the floor when the earthquake occurred late last night. (A)was sweeping (B)been sweeping (C)was swept (D)swept 檢舉

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