单复数句型This is a knifeThat is a tomatoThat child is very goodThese are miceThose are children句型转换
问题描述：
单复数句型
This is a knife
That is a tomato
That child is very good
These are mice
Those are children
句型转换
答
什么意思，是单复数句子互相转换吗？
This is a knife. 复数： These are knives.
That is a tomato.复数：Those are tomatoes.
That child is very good.复数：Those children are very good.
These are mice.单数：This is a mouse.
Those are children.单数：That is a child.
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答
These are knives
Those are tomatoes.
Those children are very good.
This is a mouse .
That is a child.
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