_______ he has made a decision, it is not easy for you to make him change his mind.
#31574
A
Though
B
Unless
C
Once
D
Until
推荐题目
That was a very busy street that I was never allowed to cross accompanied by an adult.
#33210
A
when
B
if
C
unless
D
where
Have you noticed the problem ________ he is now in low spirits？________ come?
#30464
A
where；What
B
that；How
C
in which；For
D
what；As
Roger had just walked into his office and that was when he was told that his plan had finally been approved. Which of the following can be instead of the underlined(划线的) part to make the sentence better.
#31243
A
and then they told him
B
when it was learned by him
C
and then he learned
D
when he learned
To enjoy the scenery, Sara would spend long hours on the train ______ travel by air.
#33839
A
as to
B
other than
C
instead of
D
rather than