Dưới đây là từ phù hợp với từng chỗ trống trong đoạn văn:

1. **richest**
2. **co-founder**
3. **Moreover**
4. **who**
5. **known**

Đoạn văn đầy đủ sẽ như sau:

William Henry Gates III was born on October 28, 1955. Almost everyone knows that he is one of the world’s **richest** people and perhaps the most successful businessman ever. He is the **co-founder** of Microsoft and successfully made it into the world’s largest software company. **Moreover**, he is renowned as a generous and kind man **who** started his own charity with his wife. They named it “Bill and Melinda Gates Foundation”, also **known** as the “Gates Foundation.”