Answer:
He had mastered the art of healing wounds. The old General of Japan had full faith in his abilities as a surgeon. He did not believe any other doctor. He was not keeping good health and could require a surgery any time, so Sadao was not sent with the troops abroad.
1. Yes you can! I can help you if you want.
2. Boredom leads to great imagination. I think your mind is trying to tell you you should try to make something really nice!
3. Work harder, maybe you will get some more.
4. Its fine! Talk to strangers. Remember, friends are strangers that we stumble upon in life. Maybe you'll get a new best friend?
Hope it helps you!!