Which sentence shows correct subject-verb agreement?
There’s a good answer to that question.
There’re a good answer to that question

there’s a good answer to that question

Explanation: there’s, or “there is”; this is grammatically correct, but “there’re”, or “there are a good answer to that question is bad grammar”.

after the moon goes from a full moon it turns into a waning gibbous moon.

here's where my answer came from. i hope this .