Yes you can.
Yes. You can. Might you look slightly stupid while doing so? Quite possibly. Are we talking running shorts or like a suit? More context please
No!
you can wear a light blue or white shirt
You can if you want to, but not everyone looks good in the same colour combinations. It depends on what you look like, so try it on you and see how you look. That should decide for you.The color...
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