Rhetorically, homonyms are often used as puns.（)

Copper is often used as an electrical conductor because it _____.

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Which of the following italicized parts is used as an object complement？A．He is often hear

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A red light is often used as a danger _____.A. signalB. signC. warningD. reminder

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●Quality planning tools are often used to help plan effective quality management activitie

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Dried foods ______.A.are often packed in cans or frozenB.are used by soldiers and climbers

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Comparison and contrast are often used ______ in advertisements.A.intentionallyB.pertinent

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Oxygen is often stored as a liquid although it is used () as a gas.A primarilyB seldomC

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