Here are the suggested words to fill in the blanks:

1. **years**
2. **wear**
3. **friendly**
4. **reading**

So the completed passage would read:

"Maria’s best friend is Hannah. She is eight **years** old. Hannah has long brown hair and big blue eyes. She is tall. She always **wears** pretty dresses. Hannah is a kind and **friendly** girl. She likes helping others. Maria and Hannah like playing together every day. They enjoy playing with dolls and **reading** books. Sometimes, they go to the park and ride their bikes."