問題詳情

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

參考答案

答案：C
難度：適中0.672956
統計：A(13),B(46),C(214),D(45),E(0)

用户評論

【用戶】寂寞行星

【年級】大二下

【評論內容】 [ 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.

【用戶】寂寞行星

【年級】大二下

【評論內容】 [ 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.