Everyone knows Canada is the second _______ country in the world.— That is, it is larger than _______ country in Asia.

I often see him working hard in his spare time —________he has won the scholarship from time to time

Do you go to school __________ your father’s car—No, I go to school ___________ bus.

Hey guy, turn it off please. We don’t __________musicin the reading room. —Oh ,sorry!

What _____ are you guys doing? I amfreaking out(我很不安).