In hot summer, milk quickly turns sour it is refrigerated.
#31564
A
while
B
if
C
until
D
unless
推荐题目
Countless people in developing countries no longer suffer malnutrition.______，poverty remains a problem worldwide.
#80026
A
While
B
Nevertheless
C
Besides
D
In addition
They walked together as far as the second crossing ____ they parted .
#33885
A
when
B
which
C
why
D
where
You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities.
#32569
A
or
B
because
C
unless
D
if
I usually take something to read when I travel by train _____I feel bored．
#30819
A
as if
B
so that
C
in case
D
even though
Kids are not allowed to leave kindergartens their parents come to pick them up.
#33434
A
since
B
unless
C
although
D
because