Answers and explanations
Review the answer to each question and why the other choices differ.
After entering the model and fixing its typo, practice keyboard switching, input and deletion separately.
1. 김민서
The target is 김민서. Compare it with 김민수 and fix the different block. Outer spaces are ignored; internal spaces and letters must match.
김민수 → 김민서
2. 서울
The target is 서울. Compare it with 서을 and fix the different block. Outer spaces are ignored; internal spaces and letters must match.
서을 → 서울
3. 도서관
The target is 도서관. Compare it with 도서간 and fix the different block. Outer spaces are ignored; internal spaces and letters must match.
도서간 → 도서관