Which sentence is a run-on sentence?

A.
Our family usually spends Sunday afternoons doing something fun together.

B.
My sister is in high school my brother is in fourth grade.

C.
My parents like to have dinner at six o'clock, and we all eat together.

D.
Sometimes, my sister stays with us on weekend nights, and my parents go out to a movie.

Question

Which sentence is a run-on sentence? 	
	
 
A.
	Our family usually spends Sunday afternoons doing something fun together.
	
 
B.
	My sister is in high school my brother is in fourth grade.
	
 
C.
	My parents like to have dinner at six o'clock, and we all eat together.
	
 
D.
	Sometimes, my sister stays with us on weekend nights, and my parents go out to a movie.

love_ranaa · Answer

B. My sister is in high school my brother is in fourth grade.