题目内容

A few years later I had the honor of meeting Mandela ___________---and just sitting in the same room with him was like being in the presence of both grace and royalty.

A. off limits
B. at any rate
C. in person
D. out of the way

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I’m not absolutely certain, you see, ___________whether I should say it.

A. because of
B. owing to
C. as to
D. sort of

____________caused the plane crash remains unknown.

A. Why
B. How
C. When
D. What

___________that China has the best and brightest scientists to solve the problems is not just good policy, but something personal.

A. Ensure
B. Ensuring
C. Ensured
D. To ensure

You become more ____________in prison than you had been before, ________ regularly.

A. discipline, study
B. disciplining, studying
C. disciplined, studying
D. disciplining, studied

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