Children’s brains cannot develop properly _________ they lack protein.
#30134
A
because
B
since
C
when
D
unless
推荐题目
According to the rules of the factory, you can ask for leave ________ you have a doctor’s diagnosed(诊断) note.
#31584
A
now that
B
if
C
unless
D
even though
The factory has developed a lot____ we visited the advanced worker five yeas ago.
#34010
A
when
B
which
C
that
D
where
A warning news report from Qatar announces that a group of Islam will continue to kill Americans wherever they are ________ they leave the Arab world forever.
#80250
A
even though
B
in case
C
whenever
D
until
Kids are not allowed to leave kindergartens their parents come to pick them up.
#31446
A
unless
B
since
C
although
D
because
we are laid off, all of us will have to be retrained and improve ourselves.
#31527
A
Unless
B
So that
C
Until
D
In case