Correct Answer: route

Solution : The correct choice is the first option .

A route is a path or way to get from one place to another. In this context, it makes sense to ask about the route someone takes to reach their office.

The meanings of the other options are as follows:

• Root is the part of a plant that typically lies below the surface and absorbs water and nutrients. It can also refer to the primary source or origin of something.

• Rout means a disorderly retreat of defeated troops.

• Rude is an adjective that describes impolite or disrespectful behaviour.

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Therefore, the complete sentence would be: "Which route do you usually take to reach your office?"