問題詳情

2. My mother was very busy preparing dinner in the kitchen.She couldn’t answer the phone. 

參考答案

答案：C
難度：簡單0.898284
統計：A(110),B(146),C(4345),D(89),E(0)

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【Miga Chan】評論

傳統理論時期--靜態。重規章。