We each has to hand in a paper on the topic of environment before the end of this term.

I do a lot of management training each year for the Circle K Company. Among the topics we discuss in our （31) is the keeping of quality employees （雇员). "What has （32) you to stay long enough to becom

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What can we learn from the woman？A．She has been to most interesting places in Europe.B．She

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A liquid is similar to a gas because has molecules are not fixed to each other in any spec

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In her hands, a piece of common paper could be cut out into various kinds of flower

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Our English teacher advises us to look ___ our test paper before we hand it in.A、after

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In the United States continues to welcome a large number of immigrants each year and has r

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Each term our professors would__________a list of books for us to read.A. hand in

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