问几道英语选择和句型转换题

问几道英语选择和句型转换题
1.My anut is ( )me,sheoften cooks tasty food for me.She thinks it is
( )my health.
A.good for,good for B.good for,bad for C.bad to,good for
D.good to,good for
2.It's difficult ( )(solve)the prabiem by themselves.
3.Yang Liwei is very heaithy.
Yang Liwei is ( ) ( )very ( )( ).
4.Eight-year-old Tom often has a toothache.
Eight-year-old Tom often has ( )( )( )( )( ).
Eight-year-old ( )( )hurt.
5.I hope I can fiy to the moon some day.
I hope ( ) ( ) to the moon some day.
6.They may know the answer to the question.
( ) they know the answer to the question.