Jan ______ over there.A、isB、areC、amD、was

Either of the examples _____ good enough.A、isB、areC、wereD、be

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The old ______ well looked after by the government.A．isB．areC．beingD．has

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Bacon and scrambled eggs ______ the standard American breakfast.A．isB．areC．wasD．were

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Mathematics ______ the study or science of numbers.A．isB．areC．wasD．were

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One or perhaps more pages ______ missing.A．isB．areC．has beenD．have been

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The news you told me_______ surprising.A. isB. areC. willD. should

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The rich ______ not always happy .A、isB、areC、hasD、have

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