Тест з Past Perfect

They were late but the lesson ________ yet.

I remembered that I ________ (leave) the iron switched on

Before the pupils _____ (start) the exam, they had switched their mobiles off.

As Neil __________ (miss) the bus, he walked home.

I _____ (finish) my homework before my mother came home from her work. 

When the doctor ........the hospital room, he saw that the patient had finished his lunch.