the box is ______heavy.I can't carry it.横线里能用什么词?

the box is ______heavy.I can't carry it.横线里能用什么词? 超简单英语题目The box is on the floor is_____heavy.I can't carry it The box is so heavy that I can't carry it.变为同义句The box is ( ( ) the box is i can't carry it .A; what heavy B; what a hea The box is very heavy,I can't carry it.改同意句 The box is too heavy.I can't carry it.合并句子 The box is so heary that I can't carry it.{改为同义句} the box is so heavy that i can't carry it The box is so heavy that I can't carry it. The box is very h____ and I can't carry it the box is heavy and I can't carry it.Amuch too Btoo much Cs 1.The box is so heavy that I can't carry it.