Which of these best replaces sentence 7 with descriptive detail?

Need asap ! use the drop-down menus to identify the type of error in each sentence or mark the sentence correct as written. 1. one psychological effect of constantly seeking revenge is always feeling that life is unfair. 2. if you do not seek revenge, people will take advantage of you. 3. you can allow yourself to feel angry at first, you should forgive as soon as you can. 4. sammy didn’t try to even the score, so luke knew that he would take advantage of him again. options for all for: - ambiguous pronoun - comma splice - spelling error - correct as written

Jackson is a very smart little boy he can count to twenty and is only two years old. complete, run on sentence or comma splice

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?