
Exercise 1a
3.4 - Speaking and writing·Navigate Intermediate B1+ - Workbook
Question
Listen to an environmental scientist describing how to make a cardboard solar cooker. Tick the materials that are used.

3.4 - Speaking and writing·Navigate Intermediate B1+ - Workbook
Question
Listen to an environmental scientist describing how to make a cardboard solar cooker. Tick the materials that are used.