The large number of national parks has been established to protect and save endanger species
According to critics of globalization, several developed countries have become rich because of
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
_______ has been a topic of continual geological research.
We all agree that she is____________________ student in our class.
The examination was not very difficult, but it was_____________________ long.
Education in many countries is compulsory________the age of 16.
Michael looked deeply hurt and surprised when_____________________ .
The word "allocated" in the passage mostly means "______".
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "