She has always _____ her father. In her eyes he is perfect.
I really don’t know _________ I put my wallet after I paid the bill.
During the examination we are required to stay in our seats, keep our eyes on our work, ____ to anyone.
________ these experiments were successfully completed would we think of going into humans.
Currently, many American women are still faced with the ________ of choosing between work and family commitments.
Tony ________ full marks, but he was so careless as to make a spelling mistake.