---Could you tell me _____? I must find him.---Sorry, I have no idea. But he was here just now.
-How many workers are there in your factory? -______ the workers in my factory_______ over two thousand .
---I’m too busy________ to my family often. --- Why not call them instead ?
Everyone is in the classroom, _____?
We heard that many lives were lost in the earthquake in Japan.
There _____ calories in water.