Antarctic __________ we know very little is covered withthick ice all the year round.
_________ that Tom got inside the room to see what was going on.
-- Shall I give you a ride since you live so far away? ----Thank you. ______.
Buses have routes. They ________ and ________ people at different places on the routes.
. Nobody believed his reason for being absent from the class ______ he had to meet his uncle at the airport.
People ran out __________ as fire tore through the building.