Every time the doorbell rang, our dog ___________ to bark.
(A)begins
(B)began
(C)was beginning
(D)had begun

答案：登入後查看
統計： A(106), B(179), C(27), D(14), E(0) #356708

詳解 (共 2 筆)

#415363
關鍵字在於 Every time the doorbell "rang", 為過去式，所以答案為began
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#407941
每次門鈴響了，我們家的狗開始吠叫。
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0