.Mary couldn’t make herself _______ attention to because her classmates made so much noise.
How pleased the boy was _____ what his parents said!
Was it _____ she heard with her ears _____ really made her frightened?
Is this factory _____ you visited the other day?
Who would you rather _____ the report instead of you?
Madame Curie, for _____ life had once been very hard, was successful later.