Good student as he is, he sometimes makes mistakes.
Good student as he is, he makes mistakes __________ __________ __________ __________.
It strikes me that nobody is for the changes.
It strikes me that nobody is __________ __________ __________ the changes.
I only suggest you should do it again.
I __________ suggest you should do it again.
I do not doubt that he will succeed in the end.
__________ __________ __________ __________ that he will succeed in the end.