25. The baby ________ for one hour by the time his mom came back home.
(A)cried
(B) was crying
(C) had been crying
(D) has cried

答案:登入後查看
統計: A(45), B(227), C(876), D(228), E(0) #1458419

詳解 (共 5 筆)

#3038573

 [ By the time ]引導的子句描述過去,主要子句要用過去完成式。例句如下:

 a) By the time I finished my homework, my young brother had gone to bed. 

b) By the time I got to Maggie’s place, she and her friends had all waited for me.

35
0
#1578593
持續發生在過去一段時間的事,用過去完成進...
(共 40 字,隱藏中)
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17
0
#5420316


(共 1 字,隱藏中)
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6
0
#4225134
The baby had been cr...
(共 94 字,隱藏中)
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4
0
#3919415
看到for 找完成式
0
2

私人筆記 (共 2 筆)

私人筆記#438596
未解鎖
(考文法)(十秒解題)The baby ...
(共 434 字,隱藏中)
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5
0
私人筆記#492726
未解鎖
 by the time = befor...
(共 35 字,隱藏中)
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0
0