3. Fires destroy about 20 million hectares of forests. _________
Giải thích
3. Dẫnchứng “Besides that, forests fires are the most terrible destruction. About 20 million hectares of forests which are in danger.” 3. T
3. Dẫnchứng “Besides that, forests fires are the most terrible destruction. About 20 million hectares of forests which are in danger.” 3. T