Behavioural ecology_____ by the fact that animals are instinctive creatures.
According to critics of globalization, several developed countries have become rich because of
The packages___________________ so that it would be easier to carry them.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Michael looked deeply hurt and surprised when_____________________ .
He_______________us but he was short of money at the time.
It is stated in the passage that____________________ .
There has been a great increase in retail sales,_____________________ ?
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
Regular exercise and good diet will bring______fitness and health.