— Where is Millie? — She ______ a trip in her room.
---Anny, don’t forget to_ _____the lights when you leave a room.---OK. Mum.
---Who is the boy over there? Is it John?--- No, it ______ be him. John is much taller.
---Please say “ I’m here ”when your name _____ ,will you ?--- Yes, Mr Hu.
----How do you usually go to work?---I often go to work __________. Walking is good for our health.
--- Do you know the man on TV ?--- Yes, _______name is Bin Laden. He died last month.