4. To inform the student of admission status
Usually, the theme/main idea is to be in the first or last sentence in a paragraph so (1)
Teacher: Oh sure, if you can develop your skill by acquiring much knowledge of English, your nation will be developed automatically. Myself: Sir, thanks a lot for your valuable information. Teacher: You are most welcome. I wish you good luck
Parallel construction means using the same grammatical construction in two or more sentences, especially for the same effect. A good example is provided in the option <span>C: use the same grammatical construction in all similar headings throughout an outline.</span>
I feel like that's in a dissatisfied and pessimistic in tone.