Behavioural ecology_____ by the fact that animals are instinctive creatures.
We must push the piano to the corner of the hall to_____________________ our party tonight.
The word "allocated" in the passage mostly means "______".
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
The packages___________________ so that it would be easier to carry them.
According to critics of globalization, several developed countries have become rich because of
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Education in many countries is compulsory________the age of 16.
__________ John Kennedy was elected president, he was the youngest American President ever.
Tom: "___________________ " Mike: "I won't say no!"
Only one of our gifted students______to participate in the final competition.