【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

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

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

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

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

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