Answer: coleccionabas
Explanation: it's the right word in english so you just translate all of the words and see which one fits the context :)
It would be "Sé Bueno" if thats what your looking for
Eres bueno = you are good
ser bueno = to be good
seas bueno , I really don't know but I it's not the answer
Me gustaría ir contigo PERO tengo otro trabajo.
No doubt it’s CORRECT cuz I’m hispanic