他把信撕碎并扔掉了。

He ___tore ___up the letter and threw it away.

分手后，她把他所有旧情书都撕碎了。

After the breakup, she ___tore ___up all his old love letters.

出于安全原因，我们必须在丢弃前将这些机密文件撕碎。

For security reasons, we must ___tear ___up these confidential documents before discarding them.