根据中文提示，用词组的适当形式填空，每空一词。

1. With the help of Mr. Chen, I have _______ (取得进步) in English.

2. When it rains or when the wind blows, the earth is _______ (带走). 

3. We are _______ (应该) do everything we can to protect the environment.

4. Li Lei's parents want to _______ their son _______ (提供……给……) the best education.

5. We all know that Taiwan Island _______ (属于) the Peoples Republic of China.