Mined over 2,000 years ago, copper is one of the earliest know metals.
______ his brother, Mike is active and friendly.
The word "allocated" in the passage mostly means "______".
Michael looked deeply hurt and surprised when_____________________ .
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Supporters of free-market globalization point out that_____________________ .
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
I am sorry I have no time at present to____________________ detail of our plan.
The boat was sailing north when a terrible storm_____________ .
Regular exercise and good diet will bring______fitness and health.