53._________A. loudB. peacefulC. classicD. easy

It is easy for a horse to _____ at the sound of guns.

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It is not always so easy totell the white _________ the black.A、betweenB、instead ofC、fr

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Sister Carrie is a masterpiece of______work.A．romanticB．classicC．neo-classicD．naturalistic

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This maths problem is easy ______________.A.work outB.to be working outC.workedD.to wor

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Her voice is _____.A.loudB.aloudC.loudlyD.loudness

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Doctor Reef lives a ___________ lifeA.happyB.miserableC.easy－goingD.reckless

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This maths problem is easy ______________.A.work outB.to be working outC.workedD.to wor

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