He got to the station early, ____ missing his train.
. Just as the experts _______ it, this kind of material is not natural, but man-made.
. --------Are you waiting for a bus from Medical University? ---------- Yes. I arrived here at the bus stop ten minutes ago, but the bus _______.
. -----------Who invented _______ cell phone? ----------I don’t know. Maybe _______ European.
. Will you spare me a few minutes now? _______. But I’ll be free in half an hour.
. The Expo site should be _______ from anywhere in the city of Shanghai within 90 minutes by bus, subways and special taxis.