He made a mistake，but he corrected the situation it went worse．
#31964
A
until
B
when
C
before
D
as
推荐题目
I'm sorry you've been waiting so long，but it'll still be some time ________ Brian gets back.(2008·北京)
#30452
A
before
B
since
C
till
D
after
The settlement is home to nearly 1,000 people, many of left their village homes for a better life in the city.
#33260
A
whom
B
which
C
them
D
those
Livemocha.com is a free site ______visitors can not just learn various languages but also chat online.
#30884
A
where
B
which
C
that
D
what
_______you’ve got a chance, you might as well make full use of it.
#31279
A
Now that
B
After
C
Although
D
As soon as
Most volunteers are from universities, _________ it is not uncommon to see middle and primary school students too.
#30378
A
though
B
however
C
since
D
even if