HELP

My boyfriend is Colombian.

A.) Estar
B.) Ser

A.) Ser

Explanation: Mi novio ser colombiano

Explanation #2:

The Ser vs. Estar Question: To Be or to Be?

To be or to be?

While the phrase doesn’t have quite the same ring to it as Hamlet’s famous words, it’s a question you might find yourself asking when faced with two Spanish verbs that both mean “to be”: ser and estar.

Like the subjunctive tense and the world of Spanish plurals, this is one of those questions where a nice set of rules is exactly what you need.