A farmer once owned an old mule (骡子)．One day，the mule fell into a nearby well，and he began to__1__and made a lot of loud noise.After carefully assessing the__2__，the farmer felt sympathy for the mule，but__3__that neither the mule nor the well was worth the trouble of saving，then he called his__4__together and told them what had happened and__5__them to help shovel (铲) some dirt to bury the old mule in the__6__and put him out of his suffering.
