—Carpriceshavebeengoingdownsha

—Car prices have been going down sharply in the last 20 years.
—It's not surprising because the law of market ________ the price of a product.

A．is controlling	B．controls
C．has controlled	D．controlled

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It is______ of him to set his aim high but do little, so he is always leaving things undone.
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—________, I do. I think it's a great idea.

A．Really	B．Hopefully
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A．catch up with

B．keep up with

C．put up with

D．come up with

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A．where

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C．that

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A．was trying	B．have tried
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