______ you make a promise, you should keep it.
#31679
A
The moment
B
While
C
Once
D
As if
推荐题目
Before the conference, a new problem came up __________ could speak on behalf of our group.
#34644
A
that
B
who
C
which
D
how
_______ you start eating in a healthier way, weight control will become much easier.
#30001
A
Unless
B
Although
C
Before
D
Once
You can’t complain about being left out ______you don’t make any effort to share your joys and sorrows with others.
#31393
A
once
B
unless
C
when
D
though
I don’t want to talk to you _________ you’re so annoyed and impatient.
#30353
A
when
B
unless
C
though
D
till