He knows his name(改为疑问句) there are some flowers on the teacher's desk(改为否定句

问题描述:

He knows his name(改为疑问句) there are some flowers on the teacher's desk(改为否定句

He knows his name(改为疑问句)
Does he konw his name?
There are some flowers on the teacher's desk(改为否定句)
There aren't any flowers on the teacher's desk.