Read this run-on sentence.

Lynne checked her paper for errors before turning it in she felt confident that she would get a good grade.

Which of the following makes this sentence correct?


Lynne checked her paper for errors before turning it in: she felt confident that she would get a good grade.


Lynne checked her paper for errors before turning it in she felt confident, that she would get a good grade.


Lynne checked her paper for errors before turning it in; she felt confident that she would get a good grade.


Lynne checked her paper for errors, before turning it in, she felt confident that she would get a good grade.

1 answer

Lynne checked her paper for errors before turning it in; she felt confident that she would get a good grade.