____you look after it carefully,this coat will keep you warm through many winters.( )
A.IfB.UnlessC.BeforeD.So
When I passed the classroom, I heard a girl ________ in it.
—His rude words made very . —I’m sorry to hear that.
When something______ me, I always feel_______.
——What do you expect ______ from your hard work? ——Nothing, I just want to try my best.
Sydney Opera House ______ a usual theatre and it symbolizes Australia.