問題詳情

3. I was riding a bike last night. I saw Chen walk with a girl. (請用…while…合併兩句) I saw Chen walk with a girl while I was riding a bike last night.

參考答案

答案:B
難度:簡單0.784053
統計:A(36),B(472),C(47),D(15),E(0)

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