Some officials proposed to increase the _____ on tobacco.
_______ has been a topic of continual geological research.
Regular exercise and good diet will bring______fitness and health.
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.
Standing on the tip of the cape,____________________ .
Only one of our gifted students______to participate in the final competition.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
She asked me______I was looking at.
Long ago, women were_________to vote in political elections.
The phrase "keeps sellers on their toes" in the passage mostly means "______".