用所给单词的适当形式填空。
1. He hurt his leg in a car _______ (事故) last year.
2. He _______(假装) not to see me when he passed by.
3. Let that be a _______(警告) to you.
4. The doctor said that he had a _______ (严重的) heart disease.
5. Be _______(小心) when you are crossing the road.
6. Look! They are _______ (decorate) the Christmas tree.
7. There is a dog _______ (lie) on the floor.
8. Brian was _______ (take)the hospital when he hurt.
9. Don’t be a _______(care) driver, or you will hurt others and yourself, too.
10. he went into the room _______(quiet), the baby is sleeping.
