Ok, here are the answers I came up with:
"Thank you," "Thanks" (a more casual version of thank you), "Thanks so much" (a more enthusiastic version of thank you), "Thank you, I like yours too!" (this version returns the compliment with another compliment in order to make the person feel loved), "Thanks, I got it at _____" (this version adds in a little bit of extra info, which could then start a conversation).
be nice
un beau T-shirt
Lmnopqrstuvwxyz or say wow! you are getting closer to learning the alphabet! Nice Job!
You don't say anything, just laugh for christ sake. Then maybe go buy a Who shirt and listen to all their albums since they kick.
bela camisa or bonita camisa.
Thank you!! If the person has a dog with them say "Thanks! Yours is really cute (or sweet)"
Well, it is polite after meeting someone, when parting company that one says "nice to have met you."
Vous avez une belle chemise.
If someone says, "Nice to meet you," you can say, "Likewise," or, "Nice to meet you too." They mean the same thing.
Its someone who is very nice.
It says: Kiss Me I'm Irish (with a 4-leaf clover in the middle)
When someone says congratulations to you, or when someone congratulates you, say, "Thank you".