________ should be taught to dress themselves.A．Three-year-oldB．Three-years-oldC_刷题宝

题干

________ should be taught to dress themselves.

A．Three-year-old	B．Three-years-old
C．Three-year-olds	D．Three-years-olds

上一题下一题 0.4难度单选题更新时间:2019-10-06 10:01:38

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