________ your composition carefully, some spelling mistakes can be avoided.
#93577
A
Having checked
B
Check
C
If you check
D
To check
推荐题目
____________ no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.
#94079
A
It is
B
There is
C
This is
D
That is
______ in her novel that she didn’t hear what I was saying．
#93749
A
So absorbed had Nancy
B
So absorbed Nancy was
C
So absorbed was Nancy
D
So absorbed Nancy had
_______ could be judged from her eyes that she was terribly sorry for what she _______.
#94794
A
As…had done
B
That…did
C
As…did
D
It…had done
He made another wonderful discovery, ______ of great importance to science.
#92237
A
which I think it is
B
which I think is
C
which I think
D
I think which is