Why the definite article THE is not written with geographical names on the maps?

which right? highly paid job or high paid job or high paying job?

a must-see/a must have Are both variants correct? This film is a must-see. This film is a must-have.

What is difference between "encouraged" and "inspired"? What is difference between "encouraged" and "inspired"? And what is the right variant in the sentence: "Leslie's concern and the thought of those 300 children __ young Aubyn to take action."

which is the right variant? We can't afford to go out tonight. or We can't afford going out tonight.

Is it possible to say ? Is it possible to say "ride in a car"? Thanks in advance