问题

_______ I always felt I would pass the exam, I never thought I would get an [ ]
A: While
B: Once
C: If
D: Until
B: Once
C: If
D: Until
正确答案是:
同类题型
The little boy _____on the mat ____ to his parents that blackbirds had _____their eggs on Mars
.—What else did the teacher say —He advised us______ in the wetlands.
He is so easy-going a man _________ everyone wants to work with
So convenient _______ to pay by credit card thatmore and more people apply for their credit cards
s popular with everyone because she sayswhat she means, ________ she means what she says.