______ he has made a decision, it is not easy for you to make him change his mind.
#31776
A
Though
B
Unless
C
Until
D
Once
推荐题目
The UN officials say it could be many weeks and even months ____ a deal is reached．
#33995
A
before
B
after
C
when
D
as
Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.
#30284
A
whenever
B
however
C
whichever
D
wherever
The police need some more evidence ________they can make a conclusion.
#32061
A
since
B
before
C
after
D
until
Most of us value our time, but some of us treat it ________ it had no value at all.
#30169
A
even if
B
as long as
C
even so
D
as though