Could you please tell me something about the two ________? _________. They are exchange students of No. 1 Middle School.
---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.
--- I’d like something to read . --- OK .Here are some ________.