The Great Wall was built to keep ______ the invaders. A.inB.outC.upD.off-英语

题目简介

The Great Wall was built to keep ______ the invaders. A.inB.outC.upD.off-英语

题目详情

The Great Wall was built to keep ______  the invaders.
A.inB.outC.upD.off
题型:单选题难度:偏易来源:不详

答案

B
固定搭配keep—out意思“防御----”

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