和訳して下さい。
1. I have no brothers or sisters.
2. I forgot to add the salt and sugar.
3. It is not so easy to create original music.
4. Did Alexander Graham Bell invent the telephone?
5. Who discovered this giant planet?
6. A famous singer designed this T-shirt.
7. They will print posters for the concert.
8. You must complete this report by next week.
9. We can recycle many things around us.
10. His mind is filled with many wonderful stories.