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
_______ you want to change for a single room, you’ll have to wait for a while.
#31536
A
While
B
Although
C
Until
D
If
In your class, you should allow students to voice their opinions, they are different from your own.
#31755
A
until
B
unless
C
even if
D
as though
She had golden hair when she was a child, but_________ she got older and older, her hair went darker and darker．
#34689
A
while
B
when
C
after
D
as
Mobile phone users have developed a series of symbols, such as and to show ________ they feel.
#30316
A
which
B
when
C
how
D
why
A number of high buildings have arisen ________ there was nothing a year ago but ruins.(2012·山东)
#30438
A
when
B
where
C
before
D
until