—The light in his office is still on. Do you know _______?—To prepare for the material(材料) the meeting will need tomorrow, I think.
They _ the train until it disappeared in the distance.
Ice is not often seen here in winter as the temperature normally stays zero.
He recorded ________ the chairperson said at the meeting.
_______ of the students in our class _______ money to the quake-hit areas these days.
I always sleep with windows open _______ it is too cold outside.