The doctor will not permit mother up __________ her leg is better.
#31416
A
if
B
until
C
when
D
unless
推荐题目
It was in 1969 ___ the American astronauts first succeeded in landing on the moon.
#33859
A
that
B
when
C
which
D
in which
______ 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
A total of 548 students fell ill ______ consuming milk and biscuits in schools in Northwest China's Qinghai province on Wednesday, local authorities said.
#31253
A
before
B
when
C
after
D
while
He is so busy. He cannot afford enough time with his son ____he wants to.
#30950
A
even if
B
as if
C
because
D
before