Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first_________.
Whoever leaves the room last must __________ that all the lights are turned off.
Our English teacher is very strict __________ us and __________ his teaching.
Mr Smith is strict __________ us __________ our studies.
She took drugs all day and showed no __________ for her children, who died of hunger at last.
—You know, Bob is a little slow __________ understanding. —So I have to be patient __________ him.