Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company  . 

 We haven’t seen each other for many years since we     last time.

Since the film “Life of Pi” was on, it _________ more and more people around the world.

—Mary, are you sure your aunt ___ back from America?—Yes. My mother ___ me. I am going to see her now. 

Now then, children, it’s right time you ______.