Question

My sister was supposed to go to a movie tonight, but she is grounded for coming home late last night.

A. complete sentence


B. run-on sentence


C. comma splice

Answer 1

a i think that is it not sure

Answer 2

A. It is a complete sentence
It would be a comma splice if it didn't have a conjunction 'but'
And it is not a run on sentence

~Hope I helped :•)