____ electricity you use, ____ your bill will be.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
______ his brother, Mike is active and friendly.
He_______________us but he was short of money at the time.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
_______ has been a topic of continual geological research.
According to critics of globalization, several developed countries have become rich because of
Education in many countries is compulsory________the age of 16.
Only one of our gifted students______to participate in the final competition.
It is stated in the passage that____________________ .