她毫无意义地撕碎了那些重要的文件。

She ___senselessly tore up those important documents.

被击倒后，他毫无意识地躺在地上，双眼空洞地望着天空。

After being knocked down, he lay on the ground ___senselessly, staring blankly at the sky.

他毫无意义地把车开进了河里，完全不顾警示牌。

He ___senselessly drove his car into the river, ignoring all warning signs.