The box is so heavy that he can’t lift it.    

The box is very heavy .He can't lift it.用too to so that not The box is so heavy that I can't lift it用It is ___ ___ heavy The box is so heavy that I can lift it .同义句 The stone is so heavy that l can't lift it up.(改 The story is so heavy that I can't lift it up The box is so heavy that Kangkang can't carry it.还能改为SO...Th this box is so heavy that no one lift it. He is so weak that he can't carry the heavy box（改为简单句） The box was so heavy that I couldn't lift it .中为什么用couldn't The box is so heavy that nobody can move it 同义句转换The boy is so young that he can't carry this heavy box. the box is so heavy that i can't carry it