The patient looks much better . -------_____is it that has made him ____he is today ?

It ___ the students in your class who came to see you then.

What is it _____ his daughter needs most?

—How long is it ______ you picked up your badminton training?—It was not until my finance became better last December _____ I started the training.

It is what you do rather than what you say  _______ matters．