The work he paid special attention _____ to nothing.
---Don’t press the button , John. ---What if I ______?
As a mother, I seldom give my children so difficult a job _____they can’t do actively.
---Jackson was late for Mr. Black’s literature class this morning. ---_____? As far as I know, he never came late to class.
The students have been told that under no condition ______ the mobile phone in class.
Rose was wild with joy _____ the result of the examination.