What / on wall?
What's on the wall?
Who gave Betty the violin?
When did Betty get the violin?
Is Betty's piano new or old?
Is Betty's keyboard new or old?
What color is Betty's violin?
What color is Betty's keyboard?
What / children studying?
What are the children studying?
When did Betty get the keyboard?
How many desks?
How many desks are there?
Where is Betty's keyboard now?
Where is Betty's violin now?
lesson easy / difficult?
Is the lesson easy or difficult?
name / teacher?
What's the teacher's name?
Who gave Betty the keyboard?