yangliwei spent about twenty-one hours in space.改成否定句疑问句回答

Question

yangliwei spent about twenty-one hours in space.改成否定句疑问句回答

Answer 1

否定：
Yangliwei ddn't spend about twenty-one hours in space.
疑问：
Did yangliwei spend about twenty-one hours in space?
Yes, he did.
或No,he didn't.