How tall/to be/last year? How tall/to be/Nina/now? What/to do/Lera/want to be? What/to be/Leras/favourite lesson?

How tall was last year?
How tall is Nina now?
What do Lera want to be? 
What is Leras favourite lesson?

How tall were you last year?
How tall is Nina now?
What does Lera want to be?
What is Lera's favourite lesson?