He commanded that the students ______ the classroom before he returned.
That piece of music sounds quite good. Who _____ the piano upstairs?
____, Elizabeth is the most attractive person in the novel Pride and Prejudice.
In the last few years thousands of films _____ all over the world.
____ the dog barking fiercely, away_____.
— Make sure you have turned off the air conditioners before going out. — _____.