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I the committee on our progress.A.upgradeB.updateC.upholdD.upbeat

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I the committee on our progress.A.upgradeB.updateC.upholdD.upbeat

I ________ the committee on our progress.

A.upgrade

B.update

C.uphold

D.upbeat

试题答案

B

题意:我向委员会报告了我们的进展情况.upgrade提高级别、等级;uphold维护,支持决定等.