—Do you know whose dictionary it is?—It ________ be Ann’s. Look! Her name is on the first page.

 No student ______ go out of the school campus after 10:00 at night without permission according to the school regulations.

—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily.—I can't agree with you more. There ________ be errors for every single step.

You ________ come tomorrow. I can do it myself.

In China when the traffic light is red, you ________ cross the road.