1,what daes lucy like better,singing or dancing?singing,of course.she's known to( )it.
A.be good at B.be good for C.be good on D.be good in
2,the hugng he river is one of( )in china.
A.the long river B.the longest river C.the longest rivers.D.the longer river
3,the girl was( )afraid( )she threw her bag away.
A.so,that B.too.to C.too,that D.enough,to