________ 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
Today’s China is quite different from __________. .
#93420
A
it used to be
B
it would be
C
what it used to be
D
what it would be
____some doubt among scientists about the cause of cancer.
#92930
A
It exists
B
There exists
C
There is existing
D
It is existing
My cousins _______ me and ask me what I was doing when I was studying in Canada.
#93498
A
used to ringing
B
were used to ring
C
were used to ringing
D
used to ring
______________in his school that many of his fans want to get close to him．
#94034
A
So is he popular
B
So popular is he
C
So popular he is
D
So he is popular
That was the first time I _______ there and I was impressed by the friendly people very much
#94128
A
go
B
was going
C
had gone
D
have gone