What is this?变为复数句___________________________.
It is an arm.变为复数句___________________________.
This is a foot.变为复数句___________________________.
What are these?变为单数句___________________________.
These are bags.变为单数句___________________________.
This is a boy.变为复数句______________________________.
人气：373 ℃ 时间：2020-03-17 02:01:47
解答
what are these?
They are arms.
These are feet.
What is this?
This is a bag.
These are boys.
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