问题补充:
Not until he left his home to know how important the family was for him.
A. did he begin
B. had he began
C. he began
D. he had began
答案:
(答案→)A. did he begin
B. had he began
C. he began
D. he had began
解析: 略
时间:2020-01-07 04:33:22
Not until he left his home to know how important the family was for him.
A. did he begin
B. had he began
C. he began
D. he had began
(答案→)A. did he begin
B. had he began
C. he began
D. he had began
解析: 略