A notice was placed by the river bank warning people to ___________ the thin ice.A.keep offB.keep ou

题目简介

A notice was placed by the river bank warning people to ___________ the thin ice.A.keep offB.keep ou

题目详情

A notice was placed by the river bank warning people to ___________ the thin ice.
A.keep offB.keep outC.keep awayD.keep on
题型:单选题难度:中档来源:不详

答案

A

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