______air is essential to man, so is water to fish.
The word "allocated" in the passage mostly means "______".
He_______________us but he was short of money at the time.
Supporters of free-market globalization point out that_____________________ .
We all agree that she is____________________ student in our class.
Long ago, women were_________to vote in political elections.
_______ has been a topic of continual geological research.
__________ John Kennedy was elected president, he was the youngest American President ever.
The examination was not very difficult, but it was_____________________ long.
There has been a great increase in retail sales,_____________________ ?
It is stated in the passage that____________________ .