________ has already been pointed out, only by correcting mistakes can you make progress.
#92597
A
It
B
As
C
That
D
What
推荐题目
Not until all the fish died in the river      how specious the pollution was. 
#93485
A
did the villagers realize
B
that the villagers realized
C
the villagers did realize
D
didn’t the villagers realize
    ,please start the work tomorrow.
#91931
A
If you are convenient
B
If it is convenient for you
C
If it is convenient of you
D
If convenience
She had _______ got out of the house _______ it began to rain.
#93648
A
no sooner… then
B
no sooner… than
C
hardly…than
D
hardly… then