You can not borrow books from the school library______you get your student card.A,before B,if C,while D,as
People greatly__________ in their views of life.
You look so tired tonight. It is high time you_________.
--I don't think we have met before. --Yes, once at a party, but we___________.
Our new house is very___________ for me as I can get to the office in five minutes
--I can't find Mr. Smith. --It was in the hotel___________ he stayed.