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

答案：登入後查看
統計： A(36), B(13), C(416), D(132), E(0) #321105

詳解 (共 3 筆)

#1284295
用before前面就要had了
came to school 之前就
had been taking 一直在
上學之前一直在做yoga

I had been taking the Yoga class before I came to this school. 


before: came to school之前就一直做Yoga直到came to school 
用had 過去完成

since: came to school 之後就一直做Yoga到現在  
用have 現在完成

12
0
#719192
since  自...以來
 
4
0
#1278896

Before 後面是要還原動詞嗎?


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