Hair colour is ______characteristics to use in identifying people.
It is stated in the passage that____________________ .
_______ has been a topic of continual geological research.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
We all agree that she is____________________ student in our class.
Only one of our gifted students______to participate in the final competition.
Supporters of free-market globalization point out that_____________________ .
Long ago, women were_________to vote in political elections.
Regular exercise and good diet will bring______fitness and health.
There has been a great increase in retail sales,_____________________ ?