They__________me if they knew my address.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
It is stated in the passage that____________________ .
Regular exercise and good diet will bring______fitness and health.
Only one of our gifted students______to participate in the final competition.
We must push the piano to the corner of the hall to_____________________ our party tonight.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
The packages___________________ so that it would be easier to carry them.
_______ has been a topic of continual geological research.
The boat was sailing north when a terrible storm_____________ .