We have to install new water pipes in our house; these are corroded.A．worn thinB．worn away

If these new methods don’t work，we’11 have to__________our old system．A.fall through###SXB

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We have to ________the cost of setting up a new hospital in that area.A.work outB.fill upC

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听力原文：How is the new secretary we hired doing her job？（A)I think we have to hire her.（B

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We have made up laws to protect the water from being polluted and the animals _____

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The text suggests that in the future we _______.A. may have to fight against more new

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We have to ________the cost of setting up a new hospital in that area.A.work outB.fill upC

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New AIX systems arrive without a CDROM drive. All systems do not have the system hardware configuration. Which of the following options is the most appropriate way to install AIX on the systems?()

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