so...that与too...to结构句型一问
The exercise is too difficult for anyone of us to do.
The exercise is so difficult that few of us can do it.
请问上面两句有何区别?它们是同一选择题的两个选项：
The exercise is( )difficult( ).
A.so,that few of us can do it
B.too,for anyone of us to do
它们是单选题四个选项中的两个,提问的意图在于应选择哪个.