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Food, ______ and shelter are the three most necessary things for people to depend on.
A. clothes      B. clothing      C, cloth        D. dress

It is well known that Madam Curie won two Nobel Prizes for her scientific ______.

What ______ me most was not what he told me but why he looked at me in _______ all the time.

—I am afraid this pair of shoes is a little expensive．
—If you really want to buy them, I will give you a ____ of 10 percent．

While visiting the robot exhibition, the professor kept nodding his head to express his _______ with his students’ work.

I have to reschedule the appointment with you since there is a ______ in my arrangement.

The rising house price and the high income tax rate have become the biggest ______ of the ordinary people in China today．

People there now have no _____ to safe drinking water due to the Japanese Earthquake.

He made a _____ of five thousand dollars on the deal.