He got seriously ill. Later he couldn’t see anything at all --- he was ________ blind.

On this happy occasion, I'd like to say that we are _____ much obliged to you for your kind cooperation.

--___do you clean the reading room? ---Every two or three days.

Running a company is not _______ a matter of hiring people — they also need to be trained.

 Tom was caught cheating in an important exam. _____, he lost a golden chance of taking part in this competition.