根据所给中文，写出单词的正确形式。

1. My birthday is my _____ (最喜欢) day of the year.

2. Look, there are many _____ (小鸡) under the tree.

3. How old is Mary? She is _____ (十九).

4. There are _____ (百) of students in our school.

5. We are going to the zoo next _____ (星期四).

6. After getting up, he usually _____ (洗) his face with cold water.

7. We often eat at home, but sometimes we eat in a _____ (餐馆).

8. After hearing the good _____ (消息), she is very happy.

9. Mary is a _____ (有礼貌的) girl. Everyone likes her.

10. We usually go to see my _____ (祖父母) at weekends.