【C4】A．work withB．work outC．work toD．work up

The Internet has brought ______ big changes in the way we work.A．aboutB．outC．backD．up

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【C11】A．turned outB．worked outC．carne outD．figured out

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John is cooperating with Mary in writing an article.A.working forB.working outC.working in

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It would be better if you _______ at a gym or swim twicea week.A) work offB) work outC

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

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【C8】A．work outB．figure outC．carry outD．put out

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

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