The box is very h____.The boy can't carry it.Please s____ talking!lt's time for class.
问题描述：
The box is very h____.The boy can't carry it.Please s____ talking!lt's time for class.
答
heavy 这个箱子非常重,那个男孩不能提起来.
stop 请不要说话,该上课了.stop doing sth .