In the final exam of last term, our maths teacher Mr.Wu gave us ________we all couldn’t work out .
They ’ll have other meetings like this in the weeks ________.
Not a single mistake _______ in the last test.
So difficult ______ it to work with him in the same company that I determined to find another job.
Only when you have finished your homework ______ go home.
It was in the street ______ I live that I met Mr. Green.