1番 自信はありませんが
I have never bought such a expensive book.
とかでいいんじゃないでしょうか?
2. Who can swim best of the five?
3. Is there any higher mountain than Mt. Everest in the world?
4. Who did work longer than Nancy?
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉