An author wants to add in a second topic into a sentence. She should use
1) an ellipsis
2) an exclamation point
3) she should not include two topics in one sentence
4)a dash

the answer is a :

explanation:

we need more information in order to answer.

hi my name is bob.hi and bye and this this tahta jjsab jjja

hello there! there might be some substitutes that dont have experience with students. they only register for having a job. depends maybe on the old people or younger people

hope this