句型转换。
1. The girl is so young that she can't go to school.
(1). The girl is ____ young ____ go to school.
(2). She is ____ a young girl ____ she can't go to school.
(3). The girl is not old ____ ____ go to school.
2. It is such a heavy stone that I can't lift it up.
(1). The stone is ____ heavy ____ I can't lift it up.
(2). The stone is ____ heavy for me ____ lift it up.
