Final answer:
The location of the left combat boot cannot be determined without more information. Retracing your steps or asking others may help in finding it.
Step-by-step explanation:
The location of your left combat boot would depend on where you last left it. It could be in your closet, under your bed, or even at the doorstep. The exact location cannot be determined without more information. To find your boot, you could retrace your steps or ask anyone who might have seen it.