This building is both a secret and a mystery. No one shall be admitted into it ______ he can give the right password.
#32225
A
if
B
as
C
since
D
unless
推荐题目
How did you manage to get to school on time ______ you missed the school bus?
#79910
A
when
B
if
C
once
D
because
---The Bird's Nest, isn't it?---Yes. It's ___________we visited during our stay in Beijing.
#79754
A
where
B
what
C
when
D
That
An agreement was about to be reached the other side ehanged their mind
#33931
A
before
B
while
C
as
D
when
The seriously ill man thinks it doesn’t matter he will die, but what matters much is how he lives.
#30611
A
how
B
that
C
why
D
what