
Exercise 3
5.2 - Grammar·Focus 3 - Student's Book
Soru
Complete the text with a, the or - (no article). Then listen and check. What has Jack Ng invented and why?

5.2 - Grammar·Focus 3 - Student's Book
Soru
Complete the text with a, the or - (no article). Then listen and check. What has Jack Ng invented and why?