1.（ ）Teacher gave us__on how to learn maths well

1.（ ）Teacher gave us__on how to learn maths well
A.an advice B.mnch advice C.a piece advice D.some advices
2.( )Everyone_____hear the news yesterday afternoon.
A.were surprised at B.was surprised to
C.is surprised at D.surprised at
3.It was_____of you to show me the way to the station.(kind)
4.She has to stay at home.(改为反义疑问句)
She has to stay at home,____ ____?