These are _onions_(对划线部分提问)

问题描述:

These are _onions_(对划线部分提问)
This is my T-shirt.(改写为一般疑问句,并做肯定回答)
It's time to go to school.(同义句转换)

What are these?
Is this your T-shirt?------yes,it is.
It's time for school.