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
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
#3919415
看到for 找完成式
0
2