đọc đoạn văn sau và trả lời câu hỏi ;Last month, Lan’s father took her to a glass factory. They visited the recycling workshop where the broken glass was smashed into small pieces, and the glass was washed with a particular detergent liquid. After that, it was dried up and mixed with some chemicals.. The mixture was put into a very high temperature furnace to melt into liquid. The workers in the factory used long pipes to blow the liquid into a variety of shapes. All the glassware looks nice. Lan was very impressed by the journey. 1. Answer these questions.(4x 0,5 = 2pts) a. What did Lan’s father do last month? ......................................................................................................... b.Where did they visit? ………………………................................................................................................. c. Was glass was washed with a particular detergent liquid?................................................................... d. How does glassware look like?......................................................................................................................