问题

Not until he left his home _____ to know how importantthe family was for him.

A:did he begin
B:had hebegun
C:that he began
D:he hadbegun

正确答案是：

同类题型

I thought things would get better, but _____it is they are getting worse

I think it quite _____ that you will finish the workon time if you work hard.

I can’t sing_______dance. Would you please teach me________first

He said_________________________________________.

They desired that they_______ the right to vote