A cough is usually nothing to worry about unless it lasts for ten days ___.A.or moreB.insteadC.at mo

题目简介

A cough is usually nothing to worry about unless it lasts for ten days ___.A.or moreB.insteadC.at mo

题目详情

A cough is usually nothing to worry about unless it lasts for ten days ___.
A.or moreB.insteadC.at mostD.only
题型:单选题难度:偏易来源:不详

答案

A

题意是“咳嗽通常情况下没什么担心的,除非它要持续1天或者更长时间”。or more中的or表示选择关系,不是构成固定结构,其后省略了days。at most最多;instead代替;only仅仅,只有。

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