和訳して下さい。
1. She has waited for him for one hour.
2. Why have you gone to bed so early?
3. Have they fallen asleep yet?
4. I have sent the present to my parents. But the address was wrong.
5. The train has not arrived at the station yet.
6. Why have you given him a cutting board as a present? Because he likes
cooking.
7. Have you heard anything about him?
8. Their mother has taught us a recipe for hand-rolled sushi.
9. Has he read the e-mail from his parents yet?
10. I have finally succeeded in the experiment.