Listening for main ideas and specific information in a talk about black carbon and global temperature - SGK Tiếng Anh 11 Global Success trang 58

SGK Tiếng Anh 11 Global Success trang 58 - Listening for main ideas and specific information in a talk about black carbon and global temperature
SGK Tiếng Anh 11 Global Success trang 59 - Writing a leaflet to persuade people to reduce black carbon emissions