21.   He first noticed the problem while using his litter box.

22.   He would use a litter box, but his preference was to go to the door and meow until you let him out.

23.   Here, you will want to place a litter box.

24.   I hate litter boxes.

25.   If Felix has a litter box problem, get a health exam first, keep the box scrupulously clean, and give him food treats for correct litter behavior.

26.   I have mined the litter box daily for treasures, and there is still an unpleasant aroma.

27.   I installed a second litter box in another corner of the garage, where we keep the first box.

28.   If he has an inventory backlog of litter boxes, he would be wise to leave a business card with the Seahawks.

29.   In the morning, she discovered that during the night her cat had used the check instead of the litter box.

30.   Keep food and water far away from litter boxes.