I called Hannah many times yesterday evening, but I couldn't get through. Her brother ______ on the phone all the time.

A large number of students in our school ____ from the countryside; the number _____ growing these years.

It is getting colder. I hope the sudden change of climate _____ you.

Linda，make sure the tables ________ before the guests arrive.

Ten years later, the prisoner of war ___ free and regained his ___.