1.The hospital in _____Mr.Li was operated on has taken on a new look.

1.The hospital in _____Mr.Li was operated on has taken on a new look.
it is so dark.i cant find out ___it is a boy ___a girl.
A.if,and B.that and C either ,or Dwhether,or
1.The hospital in _____Mr.Li was operated on has taken on a new look.
A.where B.which C.in which D.that
B.为什么不是A，D呢？
2．She is such a good girl____does well in French.
A.that B.as C.who D.which
B,为什么不是C呢?
3.The experts couldn’t agree ________of the two paintings was the original.
A.on to which B.as of which C.as to which D.as with which
C ,as 在句中做什么用呢？