当对方帮了你的忙后,你应该说 A. OK B. Thanks ! C. How are you ?
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.