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科目： 來源：不詳 題型：單選題

—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 controllingB．controls
C．has controlledD．controlled

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科目： 來源：不詳 題型：單選題

Despite ongoing street protests, US beef ________ in South Korea due to its lower price.
A．is sold wellB．sells well
C．sells poorlyD．is sold poorly

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科目： 來源：不詳 題型：單選題

In general, most tennis ________ on hard courts or on clay.
A．playsB．is played
C．has playedD．has been played

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科目： 來源：不詳 題型：單選題

If this product does not give you complete satisfaction, please return it to the manufacturer, stating when it ________.
A．is purchasedB．will be purchased
C．purchasesD．has purchased

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科目： 來源：不詳 題型：單選題

The vegetables in his field ________ well, because they are pollution­free.
A．a(chǎn)re sellingB．have been sold
C．a(chǎn)re soldD．sell

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科目： 來源：不詳 題型：單選題

Your headmaster would have been happy to give you two days off, if you had gone and explained that your parents ________ ill at the time.
A．wereB．had been
C．a(chǎn)reD．would be

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科目： 來源：不詳 題型：單選題

My parents ________ in Hong Kong. They were born there and have never lived anywhere else.
A．livedB．were living
C．liveD．will live

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科目： 來源：不詳 題型：單選題

—Do you love teaching, Miss He?
—I fell in love with teaching in 2000. I ________ for twelve years by this summer.
A．will teachB．would have taught
C．has been teachingD．will have been teaching

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科目： 來源：不詳 題型：單選題

This kind of ice cream      ________   like a combination of banana and strawberry.
A．tastedB．is tasted
C．being tastedD．tastes

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科目： 來源：不詳 題型：單選題

Egg prices usually  ________       in spring when they are most plentiful.
A．a(chǎn)re droppingB．drop
C．have droppedD．will drop

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