Professor Alan insisted that every student_______ their report by Friday.
The examination was not very difficult, but it was_____________________ long.
I am sorry I have no time at present to____________________ detail of our plan.
_______ has been a topic of continual geological research.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
Education in many countries is compulsory________the age of 16.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
__________ John Kennedy was elected president, he was the youngest American President ever.
We all agree that she is____________________ student in our class.
Supporters of free-market globalization point out that_____________________ .
The phrase "keeps sellers on their toes" in the passage mostly means "______".