Dưới đây là dạng đúng của từ cho các câu bạn đã cung cấp:

1. Sony is a big firm which is **competing** in Vietnamese's market. (COMPETE)
2. Doctors and **scientists** have reported on how we are all affected by the noise around us. (SCIENCE)
3. The **friendship** between Vietnam and China is recovered. (FRIEND)
4. The boss refused to meet the Union's **delegate**. (DELEGAT)
5. Many **cultural** activities will be held tomorrow. (CULTURE)
6. She **reasoned** with me for an hour about the future job yesterday. (REASON)
7. The **attraction** of the moon for the earth causes the tides. (ATTRACT)
8. Our team played **unsuccessfully**. We lost. (SUCCESS)
9. It is said that Hue is a **peaceful** city. (PEACE)
10. He came first in the **competition**. (COMPETE)