_______in the atmosphere is the temperature falling below freezing.
Michael looked deeply hurt and surprised when_____________________ .
__________ John Kennedy was elected president, he was the youngest American President ever.
The word "allocated" in the passage mostly means "______".
We all agree that she is____________________ student in our class.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
______ his brother, Mike is active and friendly.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
_______ has been a topic of continual geological research.
According to critics of globalization, several developed countries have become rich because of