(2013·重庆，23)It's not easy to change habits，________ with awareness and self－control，it is possible.
#30482
A
for
B
or
C
but
D
so
推荐题目
Kids are not allowed to leave kindergartens their parents come to pick them up.
#31446
A
unless
B
since
C
although
D
because
After graduation from high school we will reach a point _________ we have to decide which university to attend.
#33037
A
that
B
what
C
which
D
where
---You should have prepared your speech for the meeting , Mr. Smith . ---Yes , I know . But how could I _______ the meeting date fixed so soon?
#34751
A
while
B
as
C
after
D
with
The buses, most of _______ were already full, were surrounded by an angry crowd.
#34636
A
that
B
it
C
them
D
which