what is this?改复数句 This is a book.改一般疑问句 These are feet 对feet提问 These are eyes.单数句

Question

如题所述

Answer 1

What are these?
Is this a book?
What are these?
This is an eye

Answer 2

what are these ?
is this a book?
what are these ?
this is an eye .

Answer 3

What are these ?
Is this a book?
What are these ?
This is an eye .

Answer 4

What are these?
Is this a book?
What are these?
This is an eye