问题

________ I always felt I would pass the exam, I never thought I would get an A.[ ]
A: While
B: Once
C: If
D: Until
B: Once
C: If
D: Until
正确答案是:
同类题型
Thanks for _____________letters to me .
We can’t _____ other countries in trade if we don’tdevelop our national economy.
He came late to school and was afraid ______ by the teacher.
She do some reading at home than shop in the street.
It_____we had stayed together for several weeks_____ I found we had a lot in common. [ ]