______ we ______ to these immediate crises abroad, we also will not let up in our effort to deal with the pressing, ongoing challenges facing our country.
—May I ask a question after class,Sir? —, but not during my lunch break.
The scientists have made _______ possible for us to communicate with each other more easily.
You’d better your score and see if you have passed the exam.
The second book ________ I want to read is Business at the Speed of Thought.
What the public is about is whether medical workers and scientists will be able to find a cure for the new disease in a short time.