Probably in your desk.

Have you seen my gun?

AK 47/ENARM SMG?

Have you seen my choice of guns?

The cops stole em, you are under arrest sir :)

Have you seen my coffee mug?

In your ___.

Have you seen my M1911A1?

Stop it with the illegal weapons bro, I'll be taking it :D

Have you seen my pet panda?

Right there, eating some bamboo!

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Have you seen my paper fan?

I see It in ur desk

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Have you seen my glasses?

Your glasses is on your face

Have you seen my earbuds?

no because they're MINE MINE MINE MINE MINE

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Have you seen my originality?

Nope sorry

Have you seen my favorite drink?

I drank it

Have you seen my computer?

under the table
have u seen my dogs?

nope

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have u seen my cat

With me

Have you seen my boyfriend?

My house :)

Have you seen my choco bar

Yup, I ate it

Have you seen my money?

I spent it on another choco bar :)

Have you seen my pet rock?

i threw it in the sea

have you seen my glue?

Nope

Have you seen my keyboard?

Attached to your laptop

Have you seen my friends?