(2010·江西)Not until he left his home ____
题型:选择题
问题:
(2010·江西)Not until he left his home ________ to know how important the family was for him.
A.did he begin
B.had he begun
C.he began
D.he had begun
(2010·江西)Not until he left his home ________ to know how important the family was for him.
A.did he begin
B.had he begun
C.he began
D.he had begun