The Principal usually has his pupils ______ waste paper for their mini-project.
Michael looked deeply hurt and surprised when_____________________ .
_______ has been a topic of continual geological research.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Regular exercise and good diet will bring______fitness and health.
Supporters of free-market globalization point out that_____________________ .
We all agree that she is____________________ student in our class.
She asked me______I was looking at.
The packages___________________ so that it would be easier to carry them.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
______ his brother, Mike is active and friendly.