Doing exercises may______ you to pass the exam.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
______ his brother, Mike is active and friendly.
_______ has been a topic of continual geological research.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
According to critics of globalization, several developed countries have become rich because of
The boat was sailing north when a terrible storm_____________ .
The examination was not very difficult, but it was_____________________ long.
Supporters of free-market globalization point out that_____________________ .
Long ago, women were_________to vote in political elections.
It is stated in the passage that____________________ .