Помогите пожалуйста))

Question

Помогите пожалуйста))

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Answer 1

Is it his box? Yes, it is.
Is there a box under the chair? Yes, there is.
Were there two boxes under the chair? Yes, there were
Were the boxes under the chair? Yes, they were

Answer 2

1)is it his box? Yes, it is
2)is there a box under the chair? Yes, there is.
3)were there two boxes under the chair? yes, there were
4)were the boxes under the chair? yes, they were