問題詳情

31 I have been taking the Yoga class ________I came to this school.
(A) when
(B) for
(C) since
(D) before

參考答案

答案:C
難度:適中0.682353
統計:A(22),B(5),C(232),D(73),E(0)

用户評論

sufu10】評論

Before 後面是要還原動詞嗎?

許武忠】評論

用before前面就要had了came to school 之前就 had been taking 一直在