根据句子意思用括号中所给汉语提示或英语单词的适当形式填空。

1. It is my grandfather's ______ (ninety) birthday today

2. He looks _________(smart) than his sister.

3.________ (final), he arrived in Beijing.

4. Every year I buy a lot of _______(stationery) for my daughter.

5. We all want to know different lifestyles in different _________(国家)

6. Living in a ________(wood) house is a comfortable thing , I think.

7. Paris is the ________(首都) of France.